31008085113 has 8 divisors (see below), whose sum is σ = 41597759008. Its totient is φ = 20545233984.

The previous prime is 31008085109. The next prime is 31008085117. The reversal of 31008085113 is 31158080013.

It is an interprime number because it is at equal distance from previous prime (31008085109) and next prime (31008085117).

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

It is not a de Polignac number, because 31008085113 - 2² = 31008085109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31008085117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31705120 + ... + 31706097.

It is an arithmetic number, because the mean of its divisors is an integer number (5199719876).

Almost surely, 2^31008085113 is an apocalyptic number.

It is an amenable number.

31008085113 is a deficient number, since it is larger than the sum of its proper divisors (10589673895).

31008085113 is a wasteful number, since it uses less digits than its factorization.

31008085113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63411383.

The product of its (nonzero) digits is 2880, while the sum is 30.

The spelling of 31008085113 in words is "thirty-one billion, eight million, eighty-five thousand, one hundred thirteen".