1300321312 has 24 divisors (see below), whose sum is σ = 2569984956. Its totient is φ = 647626752.

The previous prime is 1300321291. The next prime is 1300321331. The reversal of 1300321312 is 2131230031.

It can be written as a sum of positive squares in 2 ways, for example, as 998812816 + 301508496 = 31604^2 + 17364^2 .

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

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, 70833 + ... + 87280.

Almost surely, 2^1300321312 is an apocalyptic number.

It is an amenable number.

1300321312 is a deficient number, since it is larger than the sum of its proper divisors (1269663644).

1300321312 is a wasteful number, since it uses less digits than its factorization.

1300321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158380 (or 158372 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1300321312 is about 36059.9682750831. The cubic root of 1300321312 is about 1091.4827929951.

Adding to 1300321312 its reverse (2131230031), we get a palindrome (3431551343).

The spelling of 1300321312 in words is "one billion, three hundred million, three hundred twenty-one thousand, three hundred twelve".