331314623 has 2 divisors, whose sum is σ = 331314624. Its totient is φ = 331314622.

The previous prime is 331314619. The next prime is 331314637. The reversal of 331314623 is 326413133.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331314623 - 2² = 331314619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331314592 and 331314601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331314653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165657311 + 165657312.

It is an arithmetic number, because the mean of its divisors is an integer number (165657312).

Almost surely, 2^331314623 is an apocalyptic number.

331314623 is a deficient number, since it is larger than the sum of its proper divisors (1).

331314623 is an equidigital number, since it uses as much as digits as its factorization.

331314623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 26.

The square root of 331314623 is about 18202.0499669680. The cubic root of 331314623 is about 691.9587436562.

Adding to 331314623 its reverse (326413133), we get a palindrome (657727756).

The spelling of 331314623 in words is "three hundred thirty-one million, three hundred fourteen thousand, six hundred twenty-three".