31113300002018 has 64 divisors (see below), whose sum is σ = 52301700971520. Its totient is φ = 13789922303808.

The previous prime is 31113300002017. The next prime is 31113300002021. The reversal of 31113300002018 is 81020000331113.

It is a junction number, because it is equal to n+sod(n) for n = 31113300001984 and 31113300002002.

It is not an unprimeable number, because it can be changed into a prime (31113300002017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15034505 + ... + 16978307.

It is an arithmetic number, because the mean of its divisors is an integer number (817214077680).

Almost surely, 2^{31113300002018} is an apocalyptic number.

31113300002018 is a deficient number, since it is larger than the sum of its proper divisors (21188400969502).

31113300002018 is a wasteful number, since it uses less digits than its factorization.

31113300002018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944103.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 31113300002018 in words is "thirty-one trillion, one hundred thirteen billion, three hundred million, two thousand, eighteen".