231044334312420 has 72 divisors (see below), whose sum is σ = 701140924708224. Its totient is φ = 61584882355008.

The previous prime is 231044334312377. The next prime is 231044334312439. The reversal of 231044334312420 is 24213433440132.

231044334312420 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 4 + 4 + 334 + 312 + 4 + 2 + 0 = 666.

231044334312420 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 280213534 + ... + 281036853.

Almost surely, 2^{231044334312420} is an apocalyptic number.

231044334312420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231044334312420 is an abundant number, since it is smaller than the sum of its proper divisors (470096590395804).

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

231044334312420 is a wasteful number, since it uses less digits than its factorization.

231044334312420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561252689 (or 561252684 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 231044334312420 its reverse (24213433440132), we get a palindrome (255257767752552).

The spelling of 231044334312420 in words is "two hundred thirty-one trillion, forty-four billion, three hundred thirty-four million, three hundred twelve thousand, four hundred twenty".