331020330231 has 8 divisors (see below), whose sum is σ = 452125329264. Its totient is φ = 215297775680.

The previous prime is 331020330229. The next prime is 331020330247. The reversal of 331020330231 is 132033020133.

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 331020330231 - 2¹ = 331020330229 is a prime.

It is a super-2 number, since 2×331020330231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331020330198 and 331020330207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331020430231) 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, 1345610976 + ... + 1345611221.

It is an arithmetic number, because the mean of its divisors is an integer number (56515666158).

Almost surely, 2^331020330231 is an apocalyptic number.

331020330231 is a deficient number, since it is larger than the sum of its proper divisors (121104999033).

331020330231 is a wasteful number, since it uses less digits than its factorization.

331020330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691222241.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 331020330231 its reverse (132033020133), we get a palindrome (463053350364).

The spelling of 331020330231 in words is "three hundred thirty-one billion, twenty million, three hundred thirty thousand, two hundred thirty-one".