331131673 has 2 divisors, whose sum is σ = 331131674. Its totient is φ = 331131672.

The previous prime is 331131653. The next prime is 331131719. The reversal of 331131673 is 376131133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330803344 + 328329 = 18188^2 + 573^2 .

It is a cyclic number.

It is not a de Polignac number, because 331131673 - 2⁵ = 331131641 is a prime.

It is not a weakly prime, because it can be changed into another prime (331131613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165565836 + 165565837.

It is an arithmetic number, because the mean of its divisors is an integer number (165565837).

Almost surely, 2^331131673 is an apocalyptic number.

It is an amenable number.

331131673 is a deficient number, since it is larger than the sum of its proper divisors (1).

331131673 is an equidigital number, since it uses as much as digits as its factorization.

331131673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 28.

The square root of 331131673 is about 18197.0237401615. The cubic root of 331131673 is about 691.8313550131.

The spelling of 331131673 in words is "three hundred thirty-one million, one hundred thirty-one thousand, six hundred seventy-three".