318057043 has 2 divisors, whose sum is σ = 318057044. Its totient is φ = 318057042.

The previous prime is 318056971. The next prime is 318057053. The reversal of 318057043 is 340750813.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318057043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 318056996 and 318057014.

It is not a weakly prime, because it can be changed into another prime (318057053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159028521 + 159028522.

It is an arithmetic number, because the mean of its divisors is an integer number (159028522).

Almost surely, 2^318057043 is an apocalyptic number.

318057043 is a deficient number, since it is larger than the sum of its proper divisors (1).

318057043 is an equidigital number, since it uses as much as digits as its factorization.

318057043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 318057043 is about 17834.1538347072. The cubic root of 318057043 is about 682.6032300124.

The spelling of 318057043 in words is "three hundred eighteen million, fifty-seven thousand, forty-three".