331211312121113 has 16 divisors (see below), whose sum is σ = 337543091654400. Its totient is φ = 324882596191296.

The previous prime is 331211312121083. The next prime is 331211312121127. The reversal of 331211312121113 is 311121213112133.

It is a cyclic number.

It is not a de Polignac number, because 331211312121113 - 2⁶ = 331211312121049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331211312121133) 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, 8563501931 + ... + 8563540607.

It is an arithmetic number, because the mean of its divisors is an integer number (21096443228400).

Almost surely, 2^{331211312121113} is an apocalyptic number.

It is an amenable number.

331211312121113 is a deficient number, since it is larger than the sum of its proper divisors (6331779533287).

331211312121113 is a wasteful number, since it uses less digits than its factorization.

331211312121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74056.

The product of its digits is 648, while the sum is 26.

Adding to 331211312121113 its reverse (311121213112133), we get a palindrome (642332525233246).

The spelling of 331211312121113 in words is "three hundred thirty-one trillion, two hundred eleven billion, three hundred twelve million, one hundred twenty-one thousand, one hundred thirteen".