231056416 has 48 divisors (see below), whose sum is σ = 491823360. Its totient is φ = 106479360.

The previous prime is 231056407. The next prime is 231056417. The reversal of 231056416 is 614650132.

It is not an unprimeable number, because it can be changed into a prime (231056417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17361 + ... + 27631.

It is an arithmetic number, because the mean of its divisors is an integer number (10246320).

Almost surely, 2^231056416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231056416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245911680).

231056416 is an abundant number, since it is smaller than the sum of its proper divisors (260766944).

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

231056416 is a wasteful number, since it uses less digits than its factorization.

231056416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10337 (or 10329 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 231056416 is about 15200.5399904082. The cubic root of 231056416 is about 613.6291903861.

The spelling of 231056416 in words is "two hundred thirty-one million, fifty-six thousand, four hundred sixteen".