231104420 has 24 divisors (see below), whose sum is σ = 488008248. Its totient is φ = 91929600.

The previous prime is 231104369. The next prime is 231104441. The reversal of 231104420 is 24401132.

It can be written as a sum of positive squares in 4 ways, for example, as 732736 + 230371684 = 856^2 + 15178^2 .

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, 28301 + ... + 35540.

It is an arithmetic number, because the mean of its divisors is an integer number (20333677).

Almost surely, 2^231104420 is an apocalyptic number.

231104420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231104420 is an abundant number, since it is smaller than the sum of its proper divisors (256903828).

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

231104420 is a wasteful number, since it uses less digits than its factorization.

231104420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64031 (or 64029 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 231104420 is about 15202.1189312543. The cubic root of 231104420 is about 613.6716830616.

Adding to 231104420 its reverse (24401132), we get a palindrome (255505552).

The spelling of 231104420 in words is "two hundred thirty-one million, one hundred four thousand, four hundred twenty".