13117306944 has 112 divisors (see below), whose sum is σ = 41751910400. Its totient is φ = 3550542336.

The previous prime is 13117306931. The next prime is 13117307003. The reversal of 13117306944 is 44960371131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×13117306944² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231304 + ... + 282375.

Almost surely, 2^13117306944 is an apocalyptic number.

13117306944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13117306944 is an abundant number, since it is smaller than the sum of its proper divisors (28634603456).

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

13117306944 is a wasteful number, since it uses less digits than its factorization.

13117306944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513720 (or 513710 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 13117306944 in words is "thirteen billion, one hundred seventeen million, three hundred six thousand, nine hundred forty-four".