31020000101312 has 28 divisors (see below), whose sum is σ = 61652864782416. Its totient is φ = 15485419998720.

The previous prime is 31020000101273. The next prime is 31020000101323. The reversal of 31020000101312 is 21310100002013.

It is a congruent number.

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, 384022613 + ... + 384103380.

Almost surely, 2^{31020000101312} is an apocalyptic number.

31020000101312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31020000101312 is a deficient number, since it is larger than the sum of its proper divisors (30632864681104).

31020000101312 is an equidigital number, since it uses as much as digits as its factorization.

31020000101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768126636 (or 768126626 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31020000101312 its reverse (21310100002013), we get a palindrome (52330100103325).

The spelling of 31020000101312 in words is "thirty-one trillion, twenty billion, one hundred one thousand, three hundred twelve".