130311233031 has 48 divisors (see below), whose sum is σ = 212815382400. Its totient is φ = 70523756352.

The previous prime is 130311233023. The next prime is 130311233077. The reversal of 130311233031 is 130332113031.

It is not a de Polignac number, because 130311233031 - 2³ = 130311233023 is a prime.

It is a super-2 number, since 2×130311233031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 130311232989 and 130311233007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130311233021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18326905 + ... + 18334013.

It is an arithmetic number, because the mean of its divisors is an integer number (4433653800).

Almost surely, 2^130311233031 is an apocalyptic number.

130311233031 is a deficient number, since it is larger than the sum of its proper divisors (82504149369).

130311233031 is a wasteful number, since it uses less digits than its factorization.

130311233031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13708 (or 13701 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 130311233031 its reverse (130332113031), we get a palindrome (260643346062).

The spelling of 130311233031 in words is "one hundred thirty billion, three hundred eleven million, two hundred thirty-three thousand, thirty-one".