31000740113 has 8 divisors (see below), whose sum is σ = 35444927232. Its totient is φ = 26560430496.

The previous prime is 31000740079. The next prime is 31000740149. The reversal of 31000740113 is 31104700013.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31000740113 - 2⁸ = 31000739857 is a prime.

It is a super-2 number, since 2×31000740113² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31000740193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952220 + ... + 984237.

It is an arithmetic number, because the mean of its divisors is an integer number (4430615904).

Almost surely, 2^31000740113 is an apocalyptic number.

It is an amenable number.

31000740113 is a deficient number, since it is larger than the sum of its proper divisors (4444187119).

31000740113 is a wasteful number, since it uses less digits than its factorization.

31000740113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938751.

The product of its (nonzero) digits is 252, while the sum is 20.

The spelling of 31000740113 in words is "thirty-one billion, seven hundred forty thousand, one hundred thirteen".