130123232031 has 64 divisors (see below), whose sum is σ = 192125606400. Its totient is φ = 77847588864.

The previous prime is 130123232023. The next prime is 130123232053. The reversal of 130123232031 is 130232321031.

It is not a de Polignac number, because 130123232031 - 2³ = 130123232023 is a prime.

It is a super-2 number, since 2×130123232031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130123231989 and 130123232007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130123232231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87388935 + ... + 87390423.

It is an arithmetic number, because the mean of its divisors is an integer number (3001962600).

Almost surely, 2^130123232031 is an apocalyptic number.

130123232031 is a deficient number, since it is larger than the sum of its proper divisors (62002374369).

130123232031 is a wasteful number, since it uses less digits than its factorization.

130123232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 130123232031 its reverse (130232321031), we get a palindrome (260355553062).

The spelling of 130123232031 in words is "one hundred thirty billion, one hundred twenty-three million, two hundred thirty-two thousand, thirty-one".