3131303110121 has 16 divisors (see below), whose sum is σ = 3228428966400. Its totient is φ = 3035739964608.

The previous prime is 3131303110087. The next prime is 3131303110151. The reversal of 3131303110121 is 1210113031313.

It is a cyclic number.

It is not a de Polignac number, because 3131303110121 - 2³⁴ = 3114123240937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3131303110093 and 3131303110102.

It is not an unprimeable number, because it can be changed into a prime (3131303110151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1381700 + ... + 2858618.

It is an arithmetic number, because the mean of its divisors is an integer number (201776810400).

Almost surely, 2^{3131303110121} is an apocalyptic number.

It is an amenable number.

3131303110121 is a deficient number, since it is larger than the sum of its proper divisors (97125856279).

3131303110121 is a wasteful number, since it uses less digits than its factorization.

3131303110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477448.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 3131303110121 its reverse (1210113031313), we get a palindrome (4341416141434).

The spelling of 3131303110121 in words is "three trillion, one hundred thirty-one billion, three hundred three million, one hundred ten thousand, one hundred twenty-one".