1316291018 has 12 divisors (see below), whose sum is σ = 2296793682. Its totient is φ = 564124680.

The previous prime is 1316290991. The next prime is 1316291047. The reversal of 1316291018 is 8101926131.

It can be written as a sum of positive squares in only one way, i.e., 1162605409 + 153685609 = 34097^2 + 12397^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6715673 + ... + 6715868.

Almost surely, 2^1316291018 is an apocalyptic number.

1316291018 is a deficient number, since it is larger than the sum of its proper divisors (980502664).

1316291018 is a wasteful number, since it uses less digits than its factorization.

1316291018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13431557 (or 13431550 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1316291018 is about 36280.7251581332. The cubic root of 1316291018 is about 1095.9329199759.

The spelling of 1316291018 in words is "one billion, three hundred sixteen million, two hundred ninety-one thousand, eighteen".