1313423312 has 10 divisors (see below), whose sum is σ = 2544757698. Its totient is φ = 656711648.

The previous prime is 1313423297. The next prime is 1313423327. The reversal of 1313423312 is 2133243131.

It is an interprime number because it is at equal distance from previous prime (1313423297) and next prime (1313423327).

It can be written as a sum of positive squares in only one way, i.e., 1156272016 + 157151296 = 34004^2 + 12536^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41044463 + ... + 41044494.

Almost surely, 2^1313423312 is an apocalyptic number.

It is an amenable number.

1313423312 is a deficient number, since it is larger than the sum of its proper divisors (1231334386).

1313423312 is an equidigital number, since it uses as much as digits as its factorization.

1313423312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82088965 (or 82088959 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 1313423312 is about 36241.1825414127. The cubic root of 1313423312 is about 1095.1364652729.

Adding to 1313423312 its reverse (2133243131), we get a palindrome (3446666443).

The spelling of 1313423312 in words is "one billion, three hundred thirteen million, four hundred twenty-three thousand, three hundred twelve".