231230322 has 32 divisors (see below), whose sum is σ = 522561600. Its totient is φ = 75769344.

The previous prime is 231230303. The next prime is 231230341. The reversal of 231230322 is 223032132.

It is a happy number.

231230322 is a `hidden beast` number, since 2 + 312 + 30 + 322 = 666.

231230322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231230303) and next prime (231230341).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 231230295 and 231230304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33103 + ... + 39474.

It is an arithmetic number, because the mean of its divisors is an integer number (16330050).

Almost surely, 2^231230322 is an apocalyptic number.

231230322 is an abundant number, since it is smaller than the sum of its proper divisors (291331278).

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

231230322 is a wasteful number, since it uses less digits than its factorization.

231230322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72647 (or 72641 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 231230322 is about 15206.2593033264. The cubic root of 231230322 is about 613.7831023442.

Adding to 231230322 its reverse (223032132), we get a palindrome (454262454).

It can be divided in two parts, 2312303 and 22, that added together give a triangular number (2312325 = T₂₁₅₀).

The spelling of 231230322 in words is "two hundred thirty-one million, two hundred thirty thousand, three hundred twenty-two".