315261234287 has 2 divisors, whose sum is σ = 315261234288. Its totient is φ = 315261234286.

The previous prime is 315261234283. The next prime is 315261234307. The reversal of 315261234287 is 782432162513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315261234287 - 2² = 315261234283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315261234283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157630617143 + 157630617144.

It is an arithmetic number, because the mean of its divisors is an integer number (157630617144).

Almost surely, 2^315261234287 is an apocalyptic number.

315261234287 is a deficient number, since it is larger than the sum of its proper divisors (1).

315261234287 is an equidigital number, since it uses as much as digits as its factorization.

315261234287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 44.

The spelling of 315261234287 in words is "three hundred fifteen billion, two hundred sixty-one million, two hundred thirty-four thousand, two hundred eighty-seven".