231034220 has 48 divisors (see below), whose sum is σ = 493970400. Its totient is φ = 90754560.

The previous prime is 231034217. The next prime is 231034247. The reversal of 231034220 is 22430132.

It is a super-2 number, since 2×231034220² = 106753621622016800, which contains 22 as substring.

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, 285176 + ... + 285984.

It is an arithmetic number, because the mean of its divisors is an integer number (10291050).

Almost surely, 2^231034220 is an apocalyptic number.

231034220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231034220 is an abundant number, since it is smaller than the sum of its proper divisors (262936180).

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

231034220 is a wasteful number, since it uses less digits than its factorization.

231034220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 231034220 is about 15199.8098672319. The cubic root of 231034220 is about 613.6095407122.

Adding to 231034220 its reverse (22430132), we get a palindrome (253464352).

The spelling of 231034220 in words is "two hundred thirty-one million, thirty-four thousand, two hundred twenty".