331010220231 has 12 divisors (see below), whose sum is σ = 480109801600. Its totient is φ = 219757821120.

The previous prime is 331010220187. The next prime is 331010220251. The reversal of 331010220231 is 132022010133.

331010220231 is a `hidden beast` number, since 3 + 310 + 102 + 20 + 231 = 666.

It is not a de Polignac number, because 331010220231 - 2⁹ = 331010219719 is a prime.

It is a super-2 number, since 2×331010220231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331010220251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76302631 + ... + 76306968.

Almost surely, 2^331010220231 is an apocalyptic number.

331010220231 is a deficient number, since it is larger than the sum of its proper divisors (149099581369).

331010220231 is a wasteful number, since it uses less digits than its factorization.

331010220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152609846 (or 152609843 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 331010220231 its reverse (132022010133), we get a palindrome (463032230364).

It can be divided in two parts, 3310102 and 20231, that added together give a palindrome (3330333).

The spelling of 331010220231 in words is "three hundred thirty-one billion, ten million, two hundred twenty thousand, two hundred thirty-one".