315536702387 has 2 divisors, whose sum is σ = 315536702388. Its totient is φ = 315536702386.

The previous prime is 315536702329. The next prime is 315536702399. The reversal of 315536702387 is 783207635513.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315536702387 is a prime.

It is a super-2 number, since 2×315536702387² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315536702317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157768351193 + 157768351194.

It is an arithmetic number, because the mean of its divisors is an integer number (157768351194).

Almost surely, 2^315536702387 is an apocalyptic number.

315536702387 is a deficient number, since it is larger than the sum of its proper divisors (1).

315536702387 is an equidigital number, since it uses as much as digits as its factorization.

315536702387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 315536702387 in words is "three hundred fifteen billion, five hundred thirty-six million, seven hundred two thousand, three hundred eighty-seven".