11312232230 has 32 divisors (see below), whose sum is σ = 22287823488. Its totient is φ = 4108348800.

The previous prime is 11312232203. The next prime is 11312232233. The reversal of 11312232230 is 3223221311.

It is a super-3 number, since 3×11312232230³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312232233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705326 + ... + 721185.

It is an arithmetic number, because the mean of its divisors is an integer number (696494484).

Almost surely, 2^11312232230 is an apocalyptic number.

11312232230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312232230 is a deficient number, since it is larger than the sum of its proper divisors (10975591258).

11312232230 is a wasteful number, since it uses less digits than its factorization.

11312232230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426592.

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

Adding to 11312232230 its reverse (3223221311), we get a palindrome (14535453541).

The spelling of 11312232230 in words is "eleven billion, three hundred twelve million, two hundred thirty-two thousand, two hundred thirty".