331120031113 has 4 divisors (see below), whose sum is σ = 350597680020. Its totient is φ = 311642382208.

The previous prime is 331120031111. The next prime is 331120031129. The reversal of 331120031113 is 311130021133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 278949816649 + 52170214464 = 528157^2 + 228408^2 .

It is a cyclic number.

It is not a de Polignac number, because 331120031113 - 2¹ = 331120031111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331120031111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9738824428 + ... + 9738824461.

It is an arithmetic number, because the mean of its divisors is an integer number (87649420005).

Almost surely, 2^331120031113 is an apocalyptic number.

It is an amenable number.

331120031113 is a deficient number, since it is larger than the sum of its proper divisors (19477648907).

331120031113 is a wasteful number, since it uses less digits than its factorization.

331120031113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19477648906.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 331120031113 its reverse (311130021133), we get a palindrome (642250052246).

The spelling of 331120031113 in words is "three hundred thirty-one billion, one hundred twenty million, thirty-one thousand, one hundred thirteen".