231930122 has 16 divisors (see below), whose sum is σ = 352080000. Its totient is φ = 114578640.

The previous prime is 231930073. The next prime is 231930143. The reversal of 231930122 is 221039132.

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, 57347 + ... + 61257.

It is an arithmetic number, because the mean of its divisors is an integer number (22005000).

Almost surely, 2^231930122 is an apocalyptic number.

231930122 is a deficient number, since it is larger than the sum of its proper divisors (120149878).

231930122 is a wasteful number, since it uses less digits than its factorization.

231930122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4261.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 231930122 is about 15229.2521812465. The cubic root of 231930122 is about 614.4016671736.

Adding to 231930122 its reverse (221039132), we get a palindrome (452969254).

The spelling of 231930122 in words is "two hundred thirty-one million, nine hundred thirty thousand, one hundred twenty-two".