1131323333321 has 4 divisors (see below), whose sum is σ = 1132207872000. Its totient is φ = 1130438794644.

The previous prime is 1131323333311. The next prime is 1131323333411. The reversal of 1131323333321 is 1233333231311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131323333321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131323333311) 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, 442267421 + ... + 442269978.

It is an arithmetic number, because the mean of its divisors is an integer number (283051968000).

Almost surely, 2^{1131323333321} is an apocalyptic number.

It is an amenable number.

1131323333321 is a deficient number, since it is larger than the sum of its proper divisors (884538679).

1131323333321 is an equidigital number, since it uses as much as digits as its factorization.

1131323333321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884538678.

The product of its digits is 8748, while the sum is 29.

Adding to 1131323333321 its reverse (1233333231311), we get a palindrome (2364656564632).

The spelling of 1131323333321 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-three million, three hundred thirty-three thousand, three hundred twenty-one".