231022330 has 64 divisors (see below), whose sum is σ = 545771520. Its totient is φ = 68212800.

The previous prime is 231022321. The next prime is 231022361. The reversal of 231022330 is 33220132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6735 + ... + 22525.

It is an arithmetic number, because the mean of its divisors is an integer number (8527680).

Almost surely, 2^231022330 is an apocalyptic number.

231022330 is an abundant number, since it is smaller than the sum of its proper divisors (314749190).

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

231022330 is a wasteful number, since it uses less digits than its factorization.

231022330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15835.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 231022330 is about 15199.4187388860. The cubic root of 231022330 is about 613.5990142159.

Adding to 231022330 its reverse (33220132), we get a palindrome (264242462).

The spelling of 231022330 in words is "two hundred thirty-one million, twenty-two thousand, three hundred thirty".