331133023 has 12 divisors (see below), whose sum is σ = 361325448. Its totient is φ = 303307680.

The previous prime is 331132993. The next prime is 331133027. The reversal of 331133023 is 320331133.

It is a de Polignac number, because none of the positive numbers 2^k-331133023 is a prime.

It is a super-2 number, since 2×331133023² = 219298157842237058, which 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 (331133027) 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 11 ways as a sum of consecutive naturals, for example, 14661 + ... + 29617.

It is an arithmetic number, because the mean of its divisors is an integer number (30110454).

Almost surely, 2^331133023 is an apocalyptic number.

331133023 is a deficient number, since it is larger than the sum of its proper divisors (30192425).

331133023 is a wasteful number, since it uses less digits than its factorization.

331133023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15114 (or 15101 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 331133023 is about 18197.0608341018. The cubic root of 331133023 is about 691.8322951941.

Adding to 331133023 its reverse (320331133), we get a palindrome (651464156).

The spelling of 331133023 in words is "three hundred thirty-one million, one hundred thirty-three thousand, twenty-three".