31023310322212 has 12 divisors (see below), whose sum is σ = 58467007915036. Its totient is φ = 14318450917920.

The previous prime is 31023310322209. The next prime is 31023310322237. The reversal of 31023310322212 is 21222301332013.

It can be written as a sum of positive squares in 2 ways, for example, as 4449635861056 + 26573674461156 = 2109416^2 + 5154966^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298301060739 + ... + 298301060842.

Almost surely, 2^{31023310322212} is an apocalyptic number.

It is an amenable number.

31023310322212 is a deficient number, since it is larger than the sum of its proper divisors (27443697592824).

31023310322212 is a wasteful number, since it uses less digits than its factorization.

31023310322212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596602121598 (or 596602121596 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31023310322212 its reverse (21222301332013), we get a palindrome (52245611654225).

The spelling of 31023310322212 in words is "thirty-one trillion, twenty-three billion, three hundred ten million, three hundred twenty-two thousand, two hundred twelve".