342031957 has 2 divisors, whose sum is σ = 342031958. Its totient is φ = 342031956.

The previous prime is 342031867. The next prime is 342031967. The reversal of 342031957 is 759130243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278255761 + 63776196 = 16681^2 + 7986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342031957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342031967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171015978 + 171015979.

It is an arithmetic number, because the mean of its divisors is an integer number (171015979).

Almost surely, 2^342031957 is an apocalyptic number.

It is an amenable number.

342031957 is a deficient number, since it is larger than the sum of its proper divisors (1).

342031957 is an equidigital number, since it uses as much as digits as its factorization.

342031957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 342031957 is about 18494.1060070499. The cubic root of 342031957 is about 699.3408468519.

The spelling of 342031957 in words is "three hundred forty-two million, thirty-one thousand, nine hundred fifty-seven".