231056418 has 32 divisors (see below), whose sum is σ = 499716864. Its totient is φ = 70944512.

The previous prime is 231056417. The next prime is 231056431. The reversal of 231056418 is 814650132.

It is not an unprimeable number, because it can be changed into a prime (231056417) 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, 19305 + ... + 28892.

It is an arithmetic number, because the mean of its divisors is an integer number (15616152).

Almost surely, 2^231056418 is an apocalyptic number.

231056418 is an abundant number, since it is smaller than the sum of its proper divisors (268660446).

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

231056418 is a wasteful number, since it uses less digits than its factorization.

231056418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48266.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 231056418 is about 15200.5400561954. The cubic root of 231056418 is about 613.6291921566.

The spelling of 231056418 in words is "two hundred thirty-one million, fifty-six thousand, four hundred eighteen".