231021313010131 has 8 divisors (see below), whose sum is σ = 266746258321760. Its totient is φ = 195976842847488.

The previous prime is 231021313010119. The next prime is 231021313010143. The reversal of 231021313010131 is 131010313120132.

231021313010131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231021313010119) and next prime (231021313010143).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231021313010131 - 2⁵ = 231021313010099 is a prime.

It is a super-2 number, since 2×231021313010131² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231021313070131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170118786516 + ... + 170118787873.

It is an arithmetic number, because the mean of its divisors is an integer number (33343282290220).

Almost surely, 2^{231021313010131} is an apocalyptic number.

231021313010131 is a deficient number, since it is larger than the sum of its proper divisors (35724945311629).

231021313010131 is an equidigital number, since it uses as much as digits as its factorization.

231021313010131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340237574493.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 231021313010131 its reverse (131010313120132), we get a palindrome (362031626130263).

The spelling of 231021313010131 in words is "two hundred thirty-one trillion, twenty-one billion, three hundred thirteen million, ten thousand, one hundred thirty-one".