1131323212322 has 4 divisors (see below), whose sum is σ = 1696984818486. Its totient is φ = 565661606160.

The previous prime is 1131323212247. The next prime is 1131323212381. The reversal of 1131323212322 is 2232123231311.

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

It can be written as a sum of positive squares in only one way, i.e., 852392409001 + 278930803321 = 923251^2 + 528139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1131323212291 and 1131323212300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282830803079 + ... + 282830803082.

Almost surely, 2^{1131323212322} is an apocalyptic number.

1131323212322 is a deficient number, since it is larger than the sum of its proper divisors (565661606164).

1131323212322 is an equidigital number, since it uses as much as digits as its factorization.

1131323212322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565661606163.

The product of its digits is 2592, while the sum is 26.

Adding to 1131323212322 its reverse (2232123231311), we get a palindrome (3363446443633).

The spelling of 1131323212322 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-three million, two hundred twelve thousand, three hundred twenty-two".