31253100204212 has 24 divisors (see below), whose sum is σ = 57719499146400. Its totient is φ = 14766043270176.

The previous prime is 31253100204149. The next prime is 31253100204283. The reversal of 31253100204212 is 21240200135213.

It is a super-2 number, since 2×31253100204212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528537278 + ... + 528596405.

It is an arithmetic number, because the mean of its divisors is an integer number (2404979131100).

Almost surely, 2^{31253100204212} is an apocalyptic number.

It is an amenable number.

31253100204212 is a deficient number, since it is larger than the sum of its proper divisors (26466398942188).

31253100204212 is a wasteful number, since it uses less digits than its factorization.

31253100204212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057134095 (or 1057134093 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 31253100204212 its reverse (21240200135213), we get a palindrome (52493300339425).

The spelling of 31253100204212 in words is "thirty-one trillion, two hundred fifty-three billion, one hundred million, two hundred four thousand, two hundred twelve".