131023013232 has 40 divisors (see below), whose sum is σ = 342279231120. Its totient is φ = 43183613440.

The previous prime is 131023013201. The next prime is 131023013249. The reversal of 131023013232 is 232310320131.

It is a junction number, because it is equal to n+sod(n) for n = 131023013199 and 131023013208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15330819 + ... + 15339362.

It is an arithmetic number, because the mean of its divisors is an integer number (8556980778).

Almost surely, 2^131023013232 is an apocalyptic number.

131023013232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131023013232 is an abundant number, since it is smaller than the sum of its proper divisors (211256217888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131023013232 is a wasteful number, since it uses less digits than its factorization.

131023013232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30670281 (or 30670275 counting only the distinct ones).

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

Adding to 131023013232 its reverse (232310320131), we get a palindrome (363333333363).

The spelling of 131023013232 in words is "one hundred thirty-one billion, twenty-three million, thirteen thousand, two hundred thirty-two".