1311160384 has 28 divisors (see below), whose sum is σ = 2605349628. Its totient is φ = 654694400.

The previous prime is 1311160369. The next prime is 1311160391. The reversal of 1311160384 is 4830611131.

It can be written as a sum of positive squares in 2 ways, for example, as 649230400 + 661929984 = 25480^2 + 25728^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35244 + ... + 62164.

It is an arithmetic number, because the mean of its divisors is an integer number (93048201).

Almost surely, 2^1311160384 is an apocalyptic number.

It is an amenable number.

1311160384 is a deficient number, since it is larger than the sum of its proper divisors (1294189244).

1311160384 is an equidigital number, since it uses as much as digits as its factorization.

1311160384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27694 (or 27684 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1311160384 is about 36209.9486881713. The cubic root of 1311160384 is about 1094.5071582372.

The spelling of 1311160384 in words is "one billion, three hundred eleven million, one hundred sixty thousand, three hundred eighty-four".