231043224312 has 32 divisors (see below), whose sum is σ = 641786734800. Its totient is φ = 77014408032.

The previous prime is 231043224263. The next prime is 231043224323. The reversal of 231043224312 is 213422340132.

231043224312 is a `hidden beast` number, since 2 + 310 + 4 + 32 + 2 + 4 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 534822063 + ... + 534822494.

Almost surely, 2^231043224312 is an apocalyptic number.

It is an amenable number.

231043224312 is an abundant number, since it is smaller than the sum of its proper divisors (410743510488).

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

231043224312 is a wasteful number, since it uses less digits than its factorization.

231043224312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069644572 (or 1069644562 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 231043224312 its reverse (213422340132), we get a palindrome (444465564444).

The spelling of 231043224312 in words is "two hundred thirty-one billion, forty-three million, two hundred twenty-four thousand, three hundred twelve".