31712809022 has 16 divisors (see below), whose sum is σ = 48484114272. Its totient is φ = 15553705440.

The previous prime is 31712809021. The next prime is 31712809057. The reversal of 31712809022 is 22090821713.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31712809021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538853 + ... + 594800.

It is an arithmetic number, because the mean of its divisors is an integer number (3030257142).

Almost surely, 2^31712809022 is an apocalyptic number.

31712809022 is a deficient number, since it is larger than the sum of its proper divisors (16771305250).

31712809022 is a wasteful number, since it uses less digits than its factorization.

31712809022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133923.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 31712809022 in words is "thirty-one billion, seven hundred twelve million, eight hundred nine thousand, twenty-two".