1317315046 has 16 divisors (see below), whose sum is σ = 2006222400. Its totient is φ = 648618048.

The previous prime is 1317315037. The next prime is 1317315047. The reversal of 1317315046 is 6405137131.

It is a junction number, because it is equal to n+sod(n) for n = 1317314999 and 1317315017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317315047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50746 + ... + 72178.

It is an arithmetic number, because the mean of its divisors is an integer number (125388900).

Almost surely, 2^1317315046 is an apocalyptic number.

1317315046 is a deficient number, since it is larger than the sum of its proper divisors (688907354).

1317315046 is a wasteful number, since it uses less digits than its factorization.

1317315046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21903.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1317315046 is about 36294.8349768944. The cubic root of 1317315046 is about 1096.2170453653.

The spelling of 1317315046 in words is "one billion, three hundred seventeen million, three hundred fifteen thousand, forty-six".