315831636119 has 2 divisors, whose sum is σ = 315831636120. Its totient is φ = 315831636118.

The previous prime is 315831636079. The next prime is 315831636149. The reversal of 315831636119 is 911636138513.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315831636119 is a prime.

It is a super-2 number, since 2×315831636119² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315831636149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157915818059 + 157915818060.

It is an arithmetic number, because the mean of its divisors is an integer number (157915818060).

Almost surely, 2^315831636119 is an apocalyptic number.

315831636119 is a deficient number, since it is larger than the sum of its proper divisors (1).

315831636119 is an equidigital number, since it uses as much as digits as its factorization.

315831636119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 47.

The spelling of 315831636119 in words is "three hundred fifteen billion, eight hundred thirty-one million, six hundred thirty-six thousand, one hundred nineteen".