1131303021233 has 16 divisors (see below), whose sum is σ = 1413806006400. Its totient is φ = 879440889600.

The previous prime is 1131303021229. The next prime is 1131303021259. The reversal of 1131303021233 is 3321203031311.

It is not a de Polignac number, because 1131303021233 - 2² = 1131303021229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131303021199 and 1131303021208.

It is not an unprimeable number, because it can be changed into a prime (1131303021293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17416808 + ... + 17481641.

It is an arithmetic number, because the mean of its divisors is an integer number (88362875400).

Almost surely, 2^{1131303021233} is an apocalyptic number.

It is an amenable number.

1131303021233 is a deficient number, since it is larger than the sum of its proper divisors (282502985167).

1131303021233 is a wasteful number, since it uses less digits than its factorization.

1131303021233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34898888.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1131303021233 its reverse (3321203031311), we get a palindrome (4452506052544).

The spelling of 1131303021233 in words is "one trillion, one hundred thirty-one billion, three hundred three million, twenty-one thousand, two hundred thirty-three".