315887319406 has 32 divisors (see below), whose sum is σ = 502653828096. Its totient is φ = 148705440000.

The previous prime is 315887319389. The next prime is 315887319431. The reversal of 315887319406 is 604913788513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330670 + ... + 860881.

It is an arithmetic number, because the mean of its divisors is an integer number (15707932128).

Almost surely, 2^315887319406 is an apocalyptic number.

315887319406 is a deficient number, since it is larger than the sum of its proper divisors (186766508690).

315887319406 is a wasteful number, since it uses less digits than its factorization.

315887319406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191708.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 315887319406 in words is "three hundred fifteen billion, eight hundred eighty-seven million, three hundred nineteen thousand, four hundred six".