31113300031002 has 96 divisors (see below), whose sum is σ = 77199215184000. Its totient is φ = 8871445223424.

The previous prime is 31113300030941. The next prime is 31113300031013. The reversal of 31113300031002 is 20013000331113.

It is a happy number.

31113300031002 is a `hidden beast` number, since 311 + 13 + 30 + 0 + 0 + 310 + 0 + 2 = 666.

It is a super-2 number, since 2×31113300031002² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122662953 + ... + 122916339.

It is an arithmetic number, because the mean of its divisors is an integer number (804158491500).

Almost surely, 2^{31113300031002} is an apocalyptic number.

31113300031002 is an abundant number, since it is smaller than the sum of its proper divisors (46085915152998).

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

31113300031002 is a wasteful number, since it uses less digits than its factorization.

31113300031002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255380 (or 255377 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 31113300031002 its reverse (20013000331113), we get a palindrome (51126300362115).

The spelling of 31113300031002 in words is "thirty-one trillion, one hundred thirteen billion, three hundred million, thirty-one thousand, two".