331220211332313 has 16 divisors (see below), whose sum is σ = 447142674162240. Its totient is φ = 218057931827904.

The previous prime is 331220211332299. The next prime is 331220211332321. The reversal of 331220211332313 is 313233112022133.

It is not a de Polignac number, because 331220211332313 - 2³³ = 331211621397721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331220211332393) 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, 289486098 + ... + 290628011.

It is an arithmetic number, because the mean of its divisors is an integer number (27946417135140).

Almost surely, 2^{331220211332313} is an apocalyptic number.

It is an amenable number.

331220211332313 is a deficient number, since it is larger than the sum of its proper divisors (115922462829927).

331220211332313 is a wasteful number, since it uses less digits than its factorization.

331220211332313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580116488.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 331220211332313 its reverse (313233112022133), we get a palindrome (644453323354446).

The spelling of 331220211332313 in words is "three hundred thirty-one trillion, two hundred twenty billion, two hundred eleven million, three hundred thirty-two thousand, three hundred thirteen".