1322320211031 has 4 divisors (see below), whose sum is σ = 1763093614712. Its totient is φ = 881546807352.

The previous prime is 1322320211027. The next prime is 1322320211033. The reversal of 1322320211031 is 1301120232231.

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

It is not a de Polignac number, because 1322320211031 - 2² = 1322320211027 is a prime.

It is a super-2 number, since 2×1322320211031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322320210989 and 1322320211007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322320211033) 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, 220386701836 + ... + 220386701841.

It is an arithmetic number, because the mean of its divisors is an integer number (440773403678).

Almost surely, 2^{1322320211031} is an apocalyptic number.

1322320211031 is a deficient number, since it is larger than the sum of its proper divisors (440773403681).

1322320211031 is an equidigital number, since it uses as much as digits as its factorization.

1322320211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440773403680.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1322320211031 its reverse (1301120232231), we get a palindrome (2623440443262).

It can be divided in two parts, 1322320 and 211031, that added together give a palindrome (1533351).

The spelling of 1322320211031 in words is "one trillion, three hundred twenty-two billion, three hundred twenty million, two hundred eleven thousand, thirty-one".