131045253231031 has 4 divisors (see below), whose sum is σ = 136742872936752. Its totient is φ = 125347633525312.

The previous prime is 131045253231017. The next prime is 131045253231059. The reversal of 131045253231031 is 130132352540131.

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 131045253231031 - 2⁵ = 131045253230999 is a prime.

It is a super-2 number, since 2×131045253231031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131045253231131) 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, 2848809852826 + ... + 2848809852871.

It is an arithmetic number, because the mean of its divisors is an integer number (34185718234188).

Almost surely, 2^{131045253231031} is an apocalyptic number.

131045253231031 is a deficient number, since it is larger than the sum of its proper divisors (5697619705721).

131045253231031 is an equidigital number, since it uses as much as digits as its factorization.

131045253231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697619705720.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 131045253231031 in words is "one hundred thirty-one trillion, forty-five billion, two hundred fifty-three million, two hundred thirty-one thousand, thirty-one".