31113868014 has 32 divisors (see below), whose sum is σ = 69147936000. Its totient is φ = 10370388312.

The previous prime is 31113868013. The next prime is 31113868021. The reversal of 31113868014 is 41086831113.

It is a super-2 number, since 2×31113868014² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31113868014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113868013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 952647 + ... + 984765.

It is an arithmetic number, because the mean of its divisors is an integer number (2160873000).

Almost surely, 2^31113868014 is an apocalyptic number.

31113868014 is an abundant number, since it is smaller than the sum of its proper divisors (38034067986).

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

31113868014 is a wasteful number, since it uses less digits than its factorization.

31113868014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50069 (or 50063 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 31113868014 in words is "thirty-one billion, one hundred thirteen million, eight hundred sixty-eight thousand, fourteen".