1323134442231 has 64 divisors (see below), whose sum is σ = 2124423168000. Its totient is φ = 731444364000.

The previous prime is 1323134442229. The next prime is 1323134442239. The reversal of 1323134442231 is 1322444313231.

It is not a de Polignac number, because 1323134442231 - 2¹ = 1323134442229 is a prime.

It is a super-2 number, since 2×1323134442231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1323134442192 and 1323134442201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323134442239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 141977790 + ... + 141987108.

It is an arithmetic number, because the mean of its divisors is an integer number (33194112000).

Almost surely, 2^{1323134442231} is an apocalyptic number.

1323134442231 is a deficient number, since it is larger than the sum of its proper divisors (801288725769).

1323134442231 is an equidigital number, since it uses as much as digits as its factorization.

1323134442231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13825 (or 13811 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

Adding to 1323134442231 its reverse (1322444313231), we get a palindrome (2645578755462).

The spelling of 1323134442231 in words is "one trillion, three hundred twenty-three billion, one hundred thirty-four million, four hundred forty-two thousand, two hundred thirty-one".