1322320232231 has 16 divisors (see below), whose sum is σ = 1337442099360. Its totient is φ = 1307308584960.

The previous prime is 1322320232209. The next prime is 1322320232239.

1322320232231 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1322320232231 - 2¹⁰ = 1322320231207 is a prime.

It is a super-2 number, since 2×1322320232231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1322320232231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322320232239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20522141 + ... + 20586473.

It is an arithmetic number, because the mean of its divisors is an integer number (83590131210).

Almost surely, 2^{1322320232231} is an apocalyptic number.

1322320232231 is a deficient number, since it is larger than the sum of its proper divisors (15121867129).

1322320232231 is a wasteful number, since it uses less digits than its factorization.

1322320232231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65186.

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 1322320 and 232231, that added together give a palindrome (1554551).

The spelling of 1322320232231 in words is "one trillion, three hundred twenty-two billion, three hundred twenty million, two hundred thirty-two thousand, two hundred thirty-one".