1131003211233 has 16 divisors (see below), whose sum is σ = 1724107552640. Its totient is φ = 646034766336.

The previous prime is 1131003211207. The next prime is 1131003211253. The reversal of 1131003211233 is 3321123001311.

It is a happy number.

It is not a de Polignac number, because 1131003211233 - 2⁵ = 1131003211201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131003211253) 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, 10477648 + ... + 10585041.

It is an arithmetic number, because the mean of its divisors is an integer number (107756722040).

Almost surely, 2^{1131003211233} is an apocalyptic number.

It is an amenable number.

1131003211233 is a deficient number, since it is larger than the sum of its proper divisors (593104341407).

1131003211233 is a wasteful number, since it uses less digits than its factorization.

1131003211233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21065256.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1131003211233 its reverse (3321123001311), we get a palindrome (4452126212544).

The spelling of 1131003211233 in words is "one trillion, one hundred thirty-one billion, three million, two hundred eleven thousand, two hundred thirty-three".