One Hundred Thirty-One is a natural number that follows One Hundred Thirty and precedes One Hundred Thirty-Two. It is an odd number and can be expressed in Roman numerals as CXXXI. In mathematics, it is often used in various calculations and can be found in sequences and patterns. In terms of its properties, One Hundred Thirty-One is a prime number, meaning it has no divisors other than one and itself. This characteristic makes it significant in number theory, where prime numbers play a crucial role in various mathematical concepts and applications, including cryptography and algorithms.