315160243 has 2 divisors, whose sum is σ = 315160244. Its totient is φ = 315160242.

The previous prime is 315160231. The next prime is 315160249. The reversal of 315160243 is 342061513.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315160243 is a prime.

It is not a weakly prime, because it can be changed into another prime (315160249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157580121 + 157580122.

It is an arithmetic number, because the mean of its divisors is an integer number (157580122).

Almost surely, 2^315160243 is an apocalyptic number.

315160243 is a deficient number, since it is larger than the sum of its proper divisors (1).

315160243 is an equidigital number, since it uses as much as digits as its factorization.

315160243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 315160243 is about 17752.7531104333. The cubic root of 315160243 is about 680.5245685586.

The spelling of 315160243 in words is "three hundred fifteen million, one hundred sixty thousand, two hundred forty-three".