131741507242531 has 4 divisors (see below), whose sum is σ = 131741839451232. Its totient is φ = 131741175033832.

The previous prime is 131741507242523. The next prime is 131741507242567. The reversal of 131741507242531 is 135242705147131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131741507242531 - 2³ = 131741507242523 is a prime.

It is a super-2 number, since 2×131741507242531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131741507242031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165508795 + ... + 166302868.

It is an arithmetic number, because the mean of its divisors is an integer number (32935459862808).

Almost surely, 2^{131741507242531} is an apocalyptic number.

131741507242531 is a deficient number, since it is larger than the sum of its proper divisors (332208701).

131741507242531 is an equidigital number, since it uses as much as digits as its factorization.

131741507242531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332208700.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 131741507242531 in words is "one hundred thirty-one trillion, seven hundred forty-one billion, five hundred seven million, two hundred forty-two thousand, five hundred thirty-one".