11231030133 has 64 divisors (see below), whose sum is σ = 17230233600. Its totient is φ = 7317702000.

The previous prime is 11231030113. The next prime is 11231030149. The reversal of 11231030133 is 33103013211.

It is a happy number.

It is not a de Polignac number, because 11231030133 - 2⁸ = 11231029877 is a prime.

It is a super-2 number, since 2×11231030133² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231030113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23446588 + ... + 23447066.

It is an arithmetic number, because the mean of its divisors is an integer number (269222400).

Almost surely, 2^11231030133 is an apocalyptic number.

It is an amenable number.

11231030133 is a deficient number, since it is larger than the sum of its proper divisors (5999203467).

11231030133 is an frugal number, since it uses more digits than its factorization.

11231030133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11231030133 its reverse (33103013211), we get a palindrome (44334043344).

The spelling of 11231030133 in words is "eleven billion, two hundred thirty-one million, thirty thousand, one hundred thirty-three".