1313153312 has 12 divisors (see below), whose sum is σ = 2585270646. Its totient is φ = 656576640.

The previous prime is 1313153249. The next prime is 1313153339. The reversal of 1313153312 is 2133513131.

It can be written as a sum of positive squares in only one way, i.e., 1290533776 + 22619536 = 35924^2 + 4756^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20517989 + ... + 20518052.

Almost surely, 2^1313153312 is an apocalyptic number.

It is an amenable number.

1313153312 is a deficient number, since it is larger than the sum of its proper divisors (1272117334).

1313153312 is an equidigital number, since it uses as much as digits as its factorization.

1313153312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41036051 (or 41036043 counting only the distinct ones).

The product of its digits is 810, while the sum is 23.

The square root of 1313153312 is about 36237.4573059424. The cubic root of 1313153312 is about 1095.0614178487.

Adding to 1313153312 its reverse (2133513131), we get a palindrome (3446666443).

The spelling of 1313153312 in words is "one billion, three hundred thirteen million, one hundred fifty-three thousand, three hundred twelve".