1313011312 has 40 divisors (see below), whose sum is σ = 2577839472. Its totient is φ = 647808000.

The previous prime is 1313011309. The next prime is 1313011331. The reversal of 1313011312 is 2131103131.

It is a super-2 number, since 2×1313011312² = 3447997410879922688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 543387 + ... + 545797.

Almost surely, 2^1313011312 is an apocalyptic number.

It is an amenable number.

1313011312 is a deficient number, since it is larger than the sum of its proper divisors (1264828160).

1313011312 is a wasteful number, since it uses less digits than its factorization.

1313011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857 (or 2851 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1313011312 is about 36235.4979543541. The cubic root of 1313011312 is about 1095.0219443348.

Adding to 1313011312 its reverse (2131103131), we get a palindrome (3444114443).

It can be divided in two parts, 13130 and 11312, that added together give a palindrome (24442).

The spelling of 1313011312 in words is "one billion, three hundred thirteen million, eleven thousand, three hundred twelve".