331500640532 has 12 divisors (see below), whose sum is σ = 580863262560. Its totient is φ = 165539708376.

The previous prime is 331500640529. The next prime is 331500640553. The reversal of 331500640532 is 235046005133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52649432 + ... + 52655727.

It is an arithmetic number, because the mean of its divisors is an integer number (48405271880).

Almost surely, 2^331500640532 is an apocalyptic number.

It is an amenable number.

331500640532 is a deficient number, since it is larger than the sum of its proper divisors (249362622028).

331500640532 is a wasteful number, since it uses less digits than its factorization.

331500640532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105305950 (or 105305948 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 331500640532 its reverse (235046005133), we get a palindrome (566546645665).

The spelling of 331500640532 in words is "three hundred thirty-one billion, five hundred million, six hundred forty thousand, five hundred thirty-two".