1313013321201 has 4 divisors (see below), whose sum is σ = 1750684428272. Its totient is φ = 875342214132.

The previous prime is 1313013321163. The next prime is 1313013321233. The reversal of 1313013321201 is 1021233103131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1313013321201 - 2¹⁴ = 1313013304817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1313013321241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218835553531 + ... + 218835553536.

It is an arithmetic number, because the mean of its divisors is an integer number (437671107068).

Almost surely, 2^{1313013321201} is an apocalyptic number.

It is an amenable number.

1313013321201 is a deficient number, since it is larger than the sum of its proper divisors (437671107071).

1313013321201 is an equidigital number, since it uses as much as digits as its factorization.

1313013321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437671107070.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1313013321201 its reverse (1021233103131), we get a palindrome (2334246424332).

The spelling of 1313013321201 in words is "one trillion, three hundred thirteen billion, thirteen million, three hundred twenty-one thousand, two hundred one".