31033302022012 has 48 divisors (see below), whose sum is σ = 59487678724320. Its totient is φ = 14099864576000.

The previous prime is 31033302021989. The next prime is 31033302022013. The reversal of 31033302022012 is 21022020333013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31033302022013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64443687 + ... + 64923457.

It is an arithmetic number, because the mean of its divisors is an integer number (1239326640090).

Almost surely, 2^{31033302022012} is an apocalyptic number.

It is an amenable number.

31033302022012 is a deficient number, since it is larger than the sum of its proper divisors (28454376702308).

31033302022012 is a wasteful number, since it uses less digits than its factorization.

31033302022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512622 (or 512620 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31033302022012 its reverse (21022020333013), we get a palindrome (52055322355025).

The spelling of 31033302022012 in words is "thirty-one trillion, thirty-three billion, three hundred two million, twenty-two thousand, twelve".