31300101312 has 56 divisors (see below), whose sum is σ = 82827882096. Its totient is φ = 10431725568.

The previous prime is 31300101263. The next prime is 31300101373. The reversal of 31300101312 is 21310100313.

It is a junction number, because it is equal to n+sod(n) for n = 31300101291 and 31300101300.

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, 2223448 + ... + 2237480.

Almost surely, 2^31300101312 is an apocalyptic number.

31300101312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31300101312 is an abundant number, since it is smaller than the sum of its proper divisors (51527780784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31300101312 is a wasteful number, since it uses less digits than its factorization.

31300101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25665 (or 25655 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31300101312 its reverse (21310100313), we get a palindrome (52610201625).

Subtracting from 31300101312 its reverse (21310100313), we obtain a palindrome (9990000999).

The spelling of 31300101312 in words is "thirty-one billion, three hundred million, one hundred one thousand, three hundred twelve".