331120013031 has 6 divisors (see below), whose sum is σ = 478284463280. Its totient is φ = 220746675348.

The previous prime is 331120013009. The next prime is 331120013051. The reversal of 331120013031 is 130310021133.

It is a happy number.

331120013031 is a `hidden beast` number, since 331 + 1 + 200 + 130 + 3 + 1 = 666.

It is not a de Polignac number, because 331120013031 - 2²¹ = 331117915879 is a prime.

It is a super-2 number, since 2×331120013031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331120012995 and 331120013013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331120013051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18395556271 + ... + 18395556288.

Almost surely, 2^331120013031 is an apocalyptic number.

331120013031 is a deficient number, since it is larger than the sum of its proper divisors (147164450249).

331120013031 is a wasteful number, since it uses less digits than its factorization.

331120013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36791112565 (or 36791112562 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 331120013031 its reverse (130310021133), we get a palindrome (461430034164).

The spelling of 331120013031 in words is "three hundred thirty-one billion, one hundred twenty million, thirteen thousand, thirty-one".