331131120121313 has 8 divisors (see below), whose sum is σ = 337390756921728. Its totient is φ = 324871923314224.

The previous prime is 331131120121297. The next prime is 331131120121339. The reversal of 331131120121313 is 313121021131133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331131120121313 - 2⁴ = 331131120121297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331131120121393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108478745 + ... + 111489462.

It is an arithmetic number, because the mean of its divisors is an integer number (42173844615216).

Almost surely, 2^{331131120121313} is an apocalyptic number.

It is an amenable number.

331131120121313 is a deficient number, since it is larger than the sum of its proper divisors (6259636800415).

331131120121313 is a wasteful number, since it uses less digits than its factorization.

331131120121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219996663.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 331131120121313 its reverse (313121021131133), we get a palindrome (644252141252446).

The spelling of 331131120121313 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, one hundred twenty million, one hundred twenty-one thousand, three hundred thirteen".