3131301121 has 12 divisors (see below), whose sum is σ = 3538124928. Its totient is φ = 2764757424.

The previous prime is 3131301091. The next prime is 3131301133. The reversal of 3131301121 is 1211031313.

3131301121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3131301121 - 2²¹ = 3129203969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3131301095 and 3131301104.

It is not an unprimeable number, because it can be changed into a prime (3131302121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398905 + ... + 406678.

It is an arithmetic number, because the mean of its divisors is an integer number (294843744).

Almost surely, 2^3131301121 is an apocalyptic number.

It is an amenable number.

3131301121 is a deficient number, since it is larger than the sum of its proper divisors (406823807).

3131301121 is a wasteful number, since it uses less digits than its factorization.

3131301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805632 (or 805619 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 3131301121 is about 55958.0299957030. The cubic root of 3131301121 is about 1462.9908541678.

Adding to 3131301121 its reverse (1211031313), we get a palindrome (4342332434).

The spelling of 3131301121 in words is "three billion, one hundred thirty-one million, three hundred one thousand, one hundred twenty-one".