11320312230 has 48 divisors (see below), whose sum is σ = 29438139744. Its totient is φ = 3018203520.

The previous prime is 11320312219. The next prime is 11320312243. The reversal of 11320312230 is 3221302311.

11320312230 is a `hidden beast` number, since 1 + 1 + 320 + 312 + 2 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 842122 + ... + 855458.

It is an arithmetic number, because the mean of its divisors is an integer number (613294578).

Almost surely, 2^11320312230 is an apocalyptic number.

11320312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11320312230 is an abundant number, since it is smaller than the sum of its proper divisors (18117827514).

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

11320312230 is a wasteful number, since it uses less digits than its factorization.

11320312230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22781 (or 22778 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11320312230 its reverse (3221302311), we get a palindrome (14541614541).

The spelling of 11320312230 in words is "eleven billion, three hundred twenty million, three hundred twelve thousand, two hundred thirty".