1320311301213 has 32 divisors (see below), whose sum is σ = 1799806200192. Its totient is φ = 860730624000.

The previous prime is 1320311301181. The next prime is 1320311301289. The reversal of 1320311301213 is 3121031130231.

It is a happy number.

It is not a de Polignac number, because 1320311301213 - 2⁵ = 1320311301181 is a prime.

It is a super-2 number, since 2×1320311301213² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1320311301213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320311301313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32025013 + ... + 32066213.

It is an arithmetic number, because the mean of its divisors is an integer number (56243943756).

Almost surely, 2^{1320311301213} is an apocalyptic number.

It is an amenable number.

1320311301213 is a deficient number, since it is larger than the sum of its proper divisors (479494898979).

1320311301213 is a wasteful number, since it uses less digits than its factorization.

1320311301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42525.

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

Adding to 1320311301213 its reverse (3121031130231), we get a palindrome (4441342431444).

The spelling of 1320311301213 in words is "one trillion, three hundred twenty billion, three hundred eleven million, three hundred one thousand, two hundred thirteen".