31013121101103 has 24 divisors (see below), whose sum is σ = 48157739385600. Its totient is φ = 19170484707024.

The previous prime is 31013121101089. The next prime is 31013121101177. The reversal of 31013121101103 is 30110112131013.

31013121101103 is a `hidden beast` number, since 310 + 1 + 31 + 211 + 0 + 110 + 3 = 666.

It is not a de Polignac number, because 31013121101103 - 2⁸ = 31013121100847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013621101103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1929388573 + ... + 1929404646.

It is an arithmetic number, because the mean of its divisors is an integer number (2006572474400).

Almost surely, 2^{31013121101103} is an apocalyptic number.

31013121101103 is a deficient number, since it is larger than the sum of its proper divisors (17144618284497).

31013121101103 is a wasteful number, since it uses less digits than its factorization.

31013121101103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858793291 (or 3858793288 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 31013121101103 its reverse (30110112131013), we get a palindrome (61123233232116).

The spelling of 31013121101103 in words is "thirty-one trillion, thirteen billion, one hundred twenty-one million, one hundred one thousand, one hundred three".