315080291 has 2 divisors, whose sum is σ = 315080292. Its totient is φ = 315080290.

The previous prime is 315080281. The next prime is 315080333. The reversal of 315080291 is 192080513.

It is a weak prime.

It is an emirp because it is prime and its reverse (192080513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315080291 - 2¹⁰ = 315079267 is a prime.

It is not a weakly prime, because it can be changed into another prime (315080231) 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, 157540145 + 157540146.

It is an arithmetic number, because the mean of its divisors is an integer number (157540146).

Almost surely, 2^315080291 is an apocalyptic number.

315080291 is a deficient number, since it is larger than the sum of its proper divisors (1).

315080291 is an equidigital number, since it uses as much as digits as its factorization.

315080291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 315080291 is about 17750.5011478550. The cubic root of 315080291 is about 680.4670169869.

The spelling of 315080291 in words is "three hundred fifteen million, eighty thousand, two hundred ninety-one".