3121323301313 has 12 divisors (see below), whose sum is σ = 3639351555072. Its totient is φ = 2669212483560.

The previous prime is 3121323301303. The next prime is 3121323301351. The reversal of 3121323301313 is 3131033231213.

It is not a de Polignac number, because 3121323301313 - 2¹⁸ = 3121323039169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121323301303) 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, 73877345 + ... + 73919582.

It is an arithmetic number, because the mean of its divisors is an integer number (303279296256).

Almost surely, 2^{3121323301313} is an apocalyptic number.

It is an amenable number.

3121323301313 is a deficient number, since it is larger than the sum of its proper divisors (518028253759).

3121323301313 is a wasteful number, since it uses less digits than its factorization.

3121323301313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147797372 (or 147797365 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 3121323301313 its reverse (3131033231213), we get a palindrome (6252356532526).

The spelling of 3121323301313 in words is "three trillion, one hundred twenty-one billion, three hundred twenty-three million, three hundred one thousand, three hundred thirteen".