231004443310131 has 32 divisors (see below), whose sum is σ = 310962920970240. Its totient is φ = 152525671056000.

The previous prime is 231004443310099. The next prime is 231004443310139. The reversal of 231004443310131 is 131013344400132.

It is not a de Polignac number, because 231004443310131 - 2⁵ = 231004443310099 is a prime.

It is a super-2 number, since 2×231004443310131² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231004443310139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13313601106 + ... + 13313618456.

It is an arithmetic number, because the mean of its divisors is an integer number (9717591280320).

Almost surely, 2^{231004443310131} is an apocalyptic number.

231004443310131 is a deficient number, since it is larger than the sum of its proper divisors (79958477660109).

231004443310131 is a wasteful number, since it uses less digits than its factorization.

231004443310131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32307.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 231004443310131 its reverse (131013344400132), we get a palindrome (362017787710263).

The spelling of 231004443310131 in words is "two hundred thirty-one trillion, four billion, four hundred forty-three million, three hundred ten thousand, one hundred thirty-one".