11312133332 has 24 divisors (see below), whose sum is σ = 20819613696. Its totient is φ = 5367545568.

The previous prime is 11312133323. The next prime is 11312133377. The reversal of 11312133332 is 23333121311.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 11312133298 and 11312133307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472403 + ... + 495770.

It is an arithmetic number, because the mean of its divisors is an integer number (867483904).

Almost surely, 2^11312133332 is an apocalyptic number.

It is an amenable number.

11312133332 is a deficient number, since it is larger than the sum of its proper divisors (9507480364).

11312133332 is a wasteful number, since it uses less digits than its factorization.

11312133332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968327 (or 968325 counting only the distinct ones).

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

Adding to 11312133332 its reverse (23333121311), we get a palindrome (34645254643).

The spelling of 11312133332 in words is "eleven billion, three hundred twelve million, one hundred thirty-three thousand, three hundred thirty-two".