1322131020311 has 4 divisors (see below), whose sum is σ = 1322887822872. Its totient is φ = 1321374217752.

The previous prime is 1322131020307. The next prime is 1322131020341. The reversal of 1322131020311 is 1130201312231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1322131020311 - 2² = 1322131020307 is a prime.

It is a super-3 number, since 3×1322131020311³ (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 (1322131020341) 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, 378398660 + ... + 378402153.

It is an arithmetic number, because the mean of its divisors is an integer number (330721955718).

Almost surely, 2^{1322131020311} is an apocalyptic number.

1322131020311 is a deficient number, since it is larger than the sum of its proper divisors (756802561).

1322131020311 is an equidigital number, since it uses as much as digits as its factorization.

1322131020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756802560.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1322131020311 its reverse (1130201312231), we get a palindrome (2452332332542).

The spelling of 1322131020311 in words is "one trillion, three hundred twenty-two billion, one hundred thirty-one million, twenty thousand, three hundred eleven".