3121313311103 has 32 divisors (see below), whose sum is σ = 3661744806720. Its totient is φ = 2633814558720.

The previous prime is 3121313311097. The next prime is 3121313311121. The reversal of 3121313311103 is 3011133131213.

It is not a de Polignac number, because 3121313311103 - 2⁸ = 3121313310847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121313310103) 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, 4334813 + ... + 5003321.

It is an arithmetic number, because the mean of its divisors is an integer number (114429525210).

Almost surely, 2^{3121313311103} is an apocalyptic number.

3121313311103 is a deficient number, since it is larger than the sum of its proper divisors (540431495617).

3121313311103 is a wasteful number, since it uses less digits than its factorization.

3121313311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669147.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 3121313311103 its reverse (3011133131213), we get a palindrome (6132446442316).

The spelling of 3121313311103 in words is "three trillion, one hundred twenty-one billion, three hundred thirteen million, three hundred eleven thousand, one hundred three".