31320300332 has 24 divisors (see below), whose sum is σ = 55749330000. Its totient is φ = 15392014016.

The previous prime is 31320300329. The next prime is 31320300371. The reversal of 31320300332 is 23300302313.

It is a super-2 number, since 2×31320300332² (a number of 22 digits) contains 22 as substring.

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, 2293958 + ... + 2307570.

It is an arithmetic number, because the mean of its divisors is an integer number (2322888750).

Almost surely, 2^31320300332 is an apocalyptic number.

It is an amenable number.

31320300332 is a deficient number, since it is larger than the sum of its proper divisors (24429029668).

31320300332 is a wasteful number, since it uses less digits than its factorization.

31320300332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23425 (or 23423 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 31320300332 its reverse (23300302313), we get a palindrome (54620602645).

The spelling of 31320300332 in words is "thirty-one billion, three hundred twenty million, three hundred thousand, three hundred thirty-two".