11312320232 has 16 divisors (see below), whose sum is σ = 21942000900. Its totient is φ = 5461120000.

The previous prime is 11312320213. The next prime is 11312320237. The reversal of 11312320232 is 23202321311.

It can be written as a sum of positive squares in 2 ways, for example, as 9783979396 + 1528340836 = 98914^2 + 39094^2 .

It is not an unprimeable number, because it can be changed into a prime (11312320237) 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, 24379769 + ... + 24380232.

Almost surely, 2^11312320232 is an apocalyptic number.

It is an amenable number.

11312320232 is a deficient number, since it is larger than the sum of its proper divisors (10629680668).

11312320232 is a wasteful number, since it uses less digits than its factorization.

11312320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48760036 (or 48760032 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11312320232 its reverse (23202321311), we get a palindrome (34514641543).

The spelling of 11312320232 in words is "eleven billion, three hundred twelve million, three hundred twenty thousand, two hundred thirty-two".