315381439319 has 2 divisors, whose sum is σ = 315381439320. Its totient is φ = 315381439318.

The previous prime is 315381439277. The next prime is 315381439333. The reversal of 315381439319 is 913934183513.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315381439319 is a prime.

It is a super-2 number, since 2×315381439319² (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 (315381439369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157690719659 + 157690719660.

It is an arithmetic number, because the mean of its divisors is an integer number (157690719660).

Almost surely, 2^315381439319 is an apocalyptic number.

315381439319 is a deficient number, since it is larger than the sum of its proper divisors (1).

315381439319 is an equidigital number, since it uses as much as digits as its factorization.

315381439319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 50.

The spelling of 315381439319 in words is "three hundred fifteen billion, three hundred eighty-one million, four hundred thirty-nine thousand, three hundred nineteen".