315491105 has 32 divisors (see below), whose sum is σ = 412594560. Its totient is φ = 230791680.

The previous prime is 315491081. The next prime is 315491153. The reversal of 315491105 is 501194513.

It is not a de Polignac number, because 315491105 - 2⁶ = 315491041 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416387 + ... + 417143.

It is an arithmetic number, because the mean of its divisors is an integer number (12893580).

Almost surely, 2^315491105 is an apocalyptic number.

It is an amenable number.

315491105 is a deficient number, since it is larger than the sum of its proper divisors (97103455).

315491105 is a wasteful number, since it uses less digits than its factorization.

315491105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 315491105 is about 17762.0692769733. The cubic root of 315491105 is about 680.7626283797.

The spelling of 315491105 in words is "three hundred fifteen million, four hundred ninety-one thousand, one hundred five".