31023133032 has 32 divisors (see below), whose sum is σ = 80232242400. Its totient is φ = 9984456384.

The previous prime is 31023132997. The next prime is 31023133087. The reversal of 31023133032 is 23033132013.

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 7 ways as a sum of consecutive naturals, for example, 22286038 + ... + 22287429.

It is an arithmetic number, because the mean of its divisors is an integer number (2507257575).

Almost surely, 2^31023133032 is an apocalyptic number.

It is an amenable number.

31023133032 is an abundant number, since it is smaller than the sum of its proper divisors (49209109368).

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

31023133032 is a wasteful number, since it uses less digits than its factorization.

31023133032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44573505 (or 44573501 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31023133032 its reverse (23033132013), we get a palindrome (54056265045).

The spelling of 31023133032 in words is "thirty-one billion, twenty-three million, one hundred thirty-three thousand, thirty-two".