231755430 has 16 divisors (see below), whose sum is σ = 556213104. Its totient is φ = 61801440.

The previous prime is 231755413. The next prime is 231755467. The reversal of 231755430 is 34557132.

231755430 is digitally balanced in base 2, because in such base 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 (30), and also a Moran number because the ratio is a prime number: 7725181 = 231755430 / (2 + 3 + 1 + 7 + 5 + 5 + 4 + 3 + 0).

It is a congruent number.

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, 3862561 + ... + 3862620.

It is an arithmetic number, because the mean of its divisors is an integer number (34763319).

Almost surely, 2^231755430 is an apocalyptic number.

231755430 is an abundant number, since it is smaller than the sum of its proper divisors (324457674).

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

231755430 is a wasteful number, since it uses less digits than its factorization.

231755430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7725191.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 231755430 is about 15223.5156911930. The cubic root of 231755430 is about 614.2473706783.

The spelling of 231755430 in words is "two hundred thirty-one million, seven hundred fifty-five thousand, four hundred thirty".