231320234 has 8 divisors (see below), whose sum is σ = 347523588. Its totient is φ = 115479040.

The previous prime is 231320227. The next prime is 231320251. The reversal of 231320234 is 432023132.

It can be written as a sum of positive squares in 2 ways, for example, as 219780625 + 11539609 = 14825^2 + 3397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88937 + ... + 91500.

Almost surely, 2^231320234 is an apocalyptic number.

231320234 is a deficient number, since it is larger than the sum of its proper divisors (116203354).

231320234 is a wasteful number, since it uses less digits than its factorization.

231320234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181080.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 231320234 is about 15209.2154301266. The cubic root of 231320234 is about 613.8626468642.

Adding to 231320234 its reverse (432023132), we get a palindrome (663343366).

The spelling of 231320234 in words is "two hundred thirty-one million, three hundred twenty thousand, two hundred thirty-four".