315497107 has 2 divisors, whose sum is σ = 315497108. Its totient is φ = 315497106.

The previous prime is 315497099. The next prime is 315497111. The reversal of 315497107 is 701794513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315497107 - 2³ = 315497099 is a prime.

It is not a weakly prime, because it can be changed into another prime (315497807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157748553 + 157748554.

It is an arithmetic number, because the mean of its divisors is an integer number (157748554).

Almost surely, 2^315497107 is an apocalyptic number.

315497107 is a deficient number, since it is larger than the sum of its proper divisors (1).

315497107 is an equidigital number, since it uses as much as digits as its factorization.

315497107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 315497107 is about 17762.2382317094. The cubic root of 315497107 is about 680.7669453650.

The spelling of 315497107 in words is "three hundred fifteen million, four hundred ninety-seven thousand, one hundred seven".