231228830 has 16 divisors (see below), whose sum is σ = 475670880. Its totient is φ = 79278432.

The previous prime is 231228827. The next prime is 231228869. The reversal of 231228830 is 38822132.

231228830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231228793 and 231228802.

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, 1651565 + ... + 1651704.

It is an arithmetic number, because the mean of its divisors is an integer number (29729430).

Almost surely, 2^231228830 is an apocalyptic number.

231228830 is an abundant number, since it is smaller than the sum of its proper divisors (244442050).

231228830 is a wasteful number, since it uses less digits than its factorization.

231228830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303283.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 231228830 is about 15206.2102445021. The cubic root of 231228830 is about 613.7817822083.

The spelling of 231228830 in words is "two hundred thirty-one million, two hundred twenty-eight thousand, eight hundred thirty".