1311605314 has 16 divisors (see below), whose sum is σ = 2056596480. Its totient is φ = 626174560.

The previous prime is 1311605303. The next prime is 1311605353. The reversal of 1311605314 is 4135061131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119 + ... + 51229.

It is an arithmetic number, because the mean of its divisors is an integer number (128537280).

Almost surely, 2^1311605314 is an apocalyptic number.

1311605314 is a deficient number, since it is larger than the sum of its proper divisors (744991166).

1311605314 is a wasteful number, since it uses less digits than its factorization.

1311605314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50705.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1311605314 is about 36216.0919205814. The cubic root of 1311605314 is about 1094.6309478215.

Adding to 1311605314 its reverse (4135061131), we get a palindrome (5446666445).

The spelling of 1311605314 in words is "one billion, three hundred eleven million, six hundred five thousand, three hundred fourteen".