331034057 has 2 divisors, whose sum is σ = 331034058. Its totient is φ = 331034056.

The previous prime is 331034003. The next prime is 331034107. The reversal of 331034057 is 750430133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267289801 + 63744256 = 16349^2 + 7984^2 .

It is a cyclic number.

It is not a de Polignac number, because 331034057 - 2²² = 326839753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (331034257) 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 as a sum of consecutive naturals, namely, 165517028 + 165517029.

It is an arithmetic number, because the mean of its divisors is an integer number (165517029).

Almost surely, 2^331034057 is an apocalyptic number.

It is an amenable number.

331034057 is a deficient number, since it is larger than the sum of its proper divisors (1).

331034057 is an equidigital number, since it uses as much as digits as its factorization.

331034057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 331034057 is about 18194.3413455942. The cubic root of 331034057 is about 691.7633654968.

The spelling of 331034057 in words is "three hundred thirty-one million, thirty-four thousand, fifty-seven".