31013121101102 has 24 divisors (see below), whose sum is σ = 54114925449456. Its totient is φ = 13291290031488.

The previous prime is 31013121101089. The next prime is 31013121101177. The reversal of 31013121101102 is 20110112131013.

It is a super-2 number, since 2×31013121101102² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48677918 + ... + 49310910.

It is an arithmetic number, because the mean of its divisors is an integer number (2254788560394).

Almost surely, 2^{31013121101102} is an apocalyptic number.

31013121101102 is a deficient number, since it is larger than the sum of its proper divisors (23101804348354).

31013121101102 is a wasteful number, since it uses less digits than its factorization.

31013121101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132952 (or 1132945 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 31013121101102 its reverse (20110112131013), we get a palindrome (51123233232115).

The spelling of 31013121101102 in words is "thirty-one trillion, thirteen billion, one hundred twenty-one million, one hundred one thousand, one hundred two".