1322131613213 has 4 divisors (see below), whose sum is σ = 1329053768448. Its totient is φ = 1315209457980.

The previous prime is 1322131613203. The next prime is 1322131613251. The reversal of 1322131613213 is 3123161312231.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322131613213 is a prime.

It is a super-3 number, since 3×1322131613213³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322131613203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3461077331 + ... + 3461077712.

It is an arithmetic number, because the mean of its divisors is an integer number (332263442112).

Almost surely, 2^{1322131613213} is an apocalyptic number.

It is an amenable number.

1322131613213 is a deficient number, since it is larger than the sum of its proper divisors (6922155235).

1322131613213 is an equidigital number, since it uses as much as digits as its factorization.

1322131613213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6922155234.

The product of its digits is 3888, while the sum is 29.

Adding to 1322131613213 its reverse (3123161312231), we get a palindrome (4445292925444).

The spelling of 1322131613213 in words is "one trillion, three hundred twenty-two billion, one hundred thirty-one million, six hundred thirteen thousand, two hundred thirteen".