31230322332 has 48 divisors (see below), whose sum is σ = 79514047872. Its totient is φ = 9461510080.

The previous prime is 31230322283. The next prime is 31230322349. The reversal of 31230322332 is 23322303213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587398 + ... + 638354.

It is an arithmetic number, because the mean of its divisors is an integer number (1656542664).

Almost surely, 2^31230322332 is an apocalyptic number.

It is an amenable number.

31230322332 is an abundant number, since it is smaller than the sum of its proper divisors (48283725540).

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

31230322332 is a wasteful number, since it uses less digits than its factorization.

31230322332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55618 (or 55616 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 31230322332 its reverse (23322303213), we get a palindrome (54552625545).

The spelling of 31230322332 in words is "thirty-one billion, two hundred thirty million, three hundred twenty-two thousand, three hundred thirty-two".