1310303312 has 20 divisors (see below), whose sum is σ = 2586614580. Its totient is φ = 642789888.

The previous prime is 1310303287. The next prime is 1310303341. The reversal of 1310303312 is 2133030131.

It can be written as a sum of positive squares in 2 ways, for example, as 1157632576 + 152670736 = 34024^2 + 12356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771737 + ... + 773432.

It is an arithmetic number, because the mean of its divisors is an integer number (129330729).

Almost surely, 2^1310303312 is an apocalyptic number.

It is an amenable number.

1310303312 is a deficient number, since it is larger than the sum of its proper divisors (1276311268).

1310303312 is a wasteful number, since it uses less digits than its factorization.

1310303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545230 (or 1545224 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1310303312 is about 36198.1119949646. Note that the first 3 decimals coincide. The cubic root of 1310303312 is about 1094.2686224785.

Adding to 1310303312 its reverse (2133030131), we get a palindrome (3443333443).

The spelling of 1310303312 in words is "one billion, three hundred ten million, three hundred three thousand, three hundred twelve".