315119687 has 2 divisors, whose sum is σ = 315119688. Its totient is φ = 315119686.

The previous prime is 315119671. The next prime is 315119689. The reversal of 315119687 is 786911513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315119687 - 2⁴ = 315119671 is a prime.

Together with 315119689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315119689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157559843 + 157559844.

It is an arithmetic number, because the mean of its divisors is an integer number (157559844).

Almost surely, 2^315119687 is an apocalyptic number.

315119687 is a deficient number, since it is larger than the sum of its proper divisors (1).

315119687 is an equidigital number, since it uses as much as digits as its factorization.

315119687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 41.

The square root of 315119687 is about 17751.6108283164. The cubic root of 315119687 is about 680.4953764899.

The spelling of 315119687 in words is "three hundred fifteen million, one hundred nineteen thousand, six hundred eighty-seven".