31113300013312 has 36 divisors (see below), whose sum is σ = 67750978586256. Its totient is φ = 14142409095680.

The previous prime is 31113300013307. The next prime is 31113300013331. The reversal of 31113300013312 is 21331000331113.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 5524375738 + ... + 5524381369.

It is an arithmetic number, because the mean of its divisors is an integer number (1881971627396).

Almost surely, 2^{31113300013312} is an apocalyptic number.

31113300013312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31113300013312 is an abundant number, since it is smaller than the sum of its proper divisors (36637678572944).

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

31113300013312 is a wasteful number, since it uses less digits than its factorization.

31113300013312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11048757134 (or 11048757120 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31113300013312 its reverse (21331000331113), we get a palindrome (52444300344425).

The spelling of 31113300013312 in words is "thirty-one trillion, one hundred thirteen billion, three hundred million, thirteen thousand, three hundred twelve".