131003304432 has 160 divisors (see below), whose sum is σ = 454389250560. Its totient is φ = 31409372160.

The previous prime is 131003304379. The next prime is 131003304451. The reversal of 131003304432 is 234403300131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1315207 + ... + 1411302.

It is an arithmetic number, because the mean of its divisors is an integer number (2839932816).

Almost surely, 2^131003304432 is an apocalyptic number.

131003304432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131003304432 is an abundant number, since it is smaller than the sum of its proper divisors (323385946128).

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

131003304432 is a wasteful number, since it uses less digits than its factorization.

131003304432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726551 (or 2726545 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 131003304432 its reverse (234403300131), we get a palindrome (365406604563).

The spelling of 131003304432 in words is "one hundred thirty-one billion, three million, three hundred four thousand, four hundred thirty-two".