1131321023333 has 4 divisors (see below), whose sum is σ = 1131327777888. Its totient is φ = 1131314268780.

The previous prime is 1131321023311. The next prime is 1131321023369. The reversal of 1131321023333 is 3333201231311.

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 not a de Polignac number, because 1131321023333 - 2³⁶ = 1062601546597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131321023933) 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, 3119483 + ... + 3463208.

It is an arithmetic number, because the mean of its divisors is an integer number (282831944472).

Almost surely, 2^{1131321023333} is an apocalyptic number.

It is an amenable number.

1131321023333 is a deficient number, since it is larger than the sum of its proper divisors (6754555).

1131321023333 is an equidigital number, since it uses as much as digits as its factorization.

1131321023333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6754554.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1131321023333 its reverse (3333201231311), we get a palindrome (4464522254644).

The spelling of 1131321023333 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-one million, twenty-three thousand, three hundred thirty-three".