1321313003297 has 16 divisors (see below), whose sum is σ = 1545294613632. Its totient is φ = 1106140613760.

The previous prime is 1321313003249. The next prime is 1321313003323. The reversal of 1321313003297 is 7923003131231.

It is a de Polignac number, because none of the positive numbers 2^k-1321313003297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1321313008297) 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, 4549013 + ... + 4830749.

It is an arithmetic number, because the mean of its divisors is an integer number (96580913352).

Almost surely, 2^{1321313003297} is an apocalyptic number.

It is an amenable number.

1321313003297 is a deficient number, since it is larger than the sum of its proper divisors (223981610335).

1321313003297 is a wasteful number, since it uses less digits than its factorization.

1321313003297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297368.

The product of its (nonzero) digits is 20412, while the sum is 35.

The spelling of 1321313003297 in words is "one trillion, three hundred twenty-one billion, three hundred thirteen million, three thousand, two hundred ninety-seven".