315386248319 has 4 divisors (see below), whose sum is σ = 315952471944. Its totient is φ = 314820024696.

The previous prime is 315386248297. The next prime is 315386248339. The reversal of 315386248319 is 913842683513.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913842683513 = 3313 ⋅275835401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315386248319 is a prime.

It is a super-2 number, since 2×315386248319² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315386248339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283110977 + ... + 283112090.

It is an arithmetic number, because the mean of its divisors is an integer number (78988117986).

Almost surely, 2^315386248319 is an apocalyptic number.

315386248319 is a deficient number, since it is larger than the sum of its proper divisors (566223625).

315386248319 is an equidigital number, since it uses as much as digits as its factorization.

315386248319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566223624.

The product of its digits is 3732480, while the sum is 53.

The spelling of 315386248319 in words is "three hundred fifteen billion, three hundred eighty-six million, two hundred forty-eight thousand, three hundred nineteen".