1310243312 has 80 divisors (see below), whose sum is σ = 3109300992. Its totient is φ = 522071040.

The previous prime is 1310243281. The next prime is 1310243359. The reversal of 1310243312 is 2133420131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153887 + ... + 162177.

Almost surely, 2^1310243312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310243312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1554650496).

1310243312 is an abundant number, since it is smaller than the sum of its proper divisors (1799057680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310243312 is a wasteful number, since it uses less digits than its factorization.

1310243312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8406 (or 8400 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1310243312 is about 36197.2832129706. The cubic root of 1310243312 is about 1094.2519196996.

Adding to 1310243312 its reverse (2133420131), we get a palindrome (3443663443).

The spelling of 1310243312 in words is "one billion, three hundred ten million, two hundred forty-three thousand, three hundred twelve".