1311653116 has 24 divisors (see below), whose sum is σ = 2368336320. Its totient is φ = 635299392.

The previous prime is 1311653113. The next prime is 1311653117. The reversal of 1311653116 is 6113561131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311653113) 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, 22411 + ... + 55906.

It is an arithmetic number, because the mean of its divisors is an integer number (98680680).

Almost surely, 2^1311653116 is an apocalyptic number.

It is an amenable number.

1311653116 is a deficient number, since it is larger than the sum of its proper divisors (1056683204).

1311653116 is a wasteful number, since it uses less digits than its factorization.

1311653116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78453 (or 78451 counting only the distinct ones).

The product of its digits is 1620, while the sum is 28.

The square root of 1311653116 is about 36216.7518698185. The cubic root of 1311653116 is about 1094.6442457530.

The spelling of 1311653116 in words is "one billion, three hundred eleven million, six hundred fifty-three thousand, one hundred sixteen".