231061056 has 28 divisors (see below), whose sum is σ = 611349552. Its totient is φ = 77020288.

The previous prime is 231061027. The next prime is 231061057. The reversal of 231061056 is 650160132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (231061057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601530 + ... + 601913.

Almost surely, 2^231061056 is an apocalyptic number.

It is an amenable number.

231061056 is an abundant number, since it is smaller than the sum of its proper divisors (380288496).

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

231061056 is a wasteful number, since it uses less digits than its factorization.

231061056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203458 (or 1203448 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 231061056 is about 15200.6926157988. The cubic root of 231061056 is about 613.6332979261.

The spelling of 231061056 in words is "two hundred thirty-one million, sixty-one thousand, fifty-six".