1323223332131 has 8 divisors (see below), whose sum is σ = 1325557922304. Its totient is φ = 1320889016520.

The previous prime is 1323223332091. The next prime is 1323223332163. The reversal of 1323223332131 is 1312333223231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323223332131 is a prime.

It is a super-2 number, since 2×1323223332131² (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 = 1323223332094 and 1323223332103.

It is not an unprimeable number, because it can be changed into a prime (1323223332181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11201666 + ... + 11319176.

It is an arithmetic number, because the mean of its divisors is an integer number (165694740288).

Almost surely, 2^{1323223332131} is an apocalyptic number.

1323223332131 is a deficient number, since it is larger than the sum of its proper divisors (2334590173).

1323223332131 is a wasteful number, since it uses less digits than its factorization.

1323223332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137281.

The product of its digits is 11664, while the sum is 29.

Adding to 1323223332131 its reverse (1312333223231), we get a palindrome (2635556555362).

The spelling of 1323223332131 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-three million, three hundred thirty-two thousand, one hundred thirty-one".