331000023 has 4 divisors (see below), whose sum is σ = 441333368. Its totient is φ = 220666680.

The previous prime is 331000009. The next prime is 331000037. The reversal of 331000023 is 320000133.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (331000009) and next prime (331000037).

It is not a de Polignac number, because 331000023 - 2⁶ = 330999959 is a prime.

It is a super-2 number, since 2×331000023² = 219122030452001058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330999972 and 331000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331000063) 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, 55166668 + ... + 55166673.

It is an arithmetic number, because the mean of its divisors is an integer number (110333342).

Almost surely, 2^331000023 is an apocalyptic number.

331000023 is a deficient number, since it is larger than the sum of its proper divisors (110333345).

331000023 is a wasteful number, since it uses less digits than its factorization.

331000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110333344.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 331000023 is about 18193.4060307574. The cubic root of 331000023 is about 691.7396576831.

Adding to 331000023 its reverse (320000133), we get a palindrome (651000156).

The spelling of 331000023 in words is "three hundred thirty-one million, twenty-three", and thus it is an aban number.