12311133230 has 32 divisors (see below), whose sum is σ = 24954421248. Its totient is φ = 4332362400.

The previous prime is 12311133221. The next prime is 12311133251. The reversal of 12311133230 is 3233111321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1801742 + ... + 1808561.

It is an arithmetic number, because the mean of its divisors is an integer number (779825664).

Almost surely, 2^12311133230 is an apocalyptic number.

12311133230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12311133230 is an abundant number, since it is smaller than the sum of its proper divisors (12643288018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12311133230 is a wasteful number, since it uses less digits than its factorization.

12311133230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610352.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12311133230 its reverse (3233111321), we get a palindrome (15544244551).

It can be divided in two parts, 12311 and 133230, that added together give a palindrome (145541).

The spelling of 12311133230 in words is "twelve billion, three hundred eleven million, one hundred thirty-three thousand, two hundred thirty".