1312304252513 has 16 divisors (see below), whose sum is σ = 1403228921472. Its totient is φ = 1224222384000.

The previous prime is 1312304252491. The next prime is 1312304252527. The reversal of 1312304252513 is 3152524032131.

It is a cyclic number.

It is not a de Polignac number, because 1312304252513 - 2¹² = 1312304248417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312304252513.

It is not an unprimeable number, because it can be changed into a prime (1312304252213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2608283 + ... + 3070463.

It is an arithmetic number, because the mean of its divisors is an integer number (87701807592).

Almost surely, 2^{1312304252513} is an apocalyptic number.

It is an amenable number.

1312304252513 is a deficient number, since it is larger than the sum of its proper divisors (90924668959).

1312304252513 is a wasteful number, since it uses less digits than its factorization.

1312304252513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465256.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 1312304252513 its reverse (3152524032131), we get a palindrome (4464828284644).

The spelling of 1312304252513 in words is "one trillion, three hundred twelve billion, three hundred four million, two hundred fifty-two thousand, five hundred thirteen".