231243034 has 64 divisors (see below), whose sum is σ = 415134720. Its totient is φ = 95472000.

The previous prime is 231243017. The next prime is 231243059. The reversal of 231243034 is 430342132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 231242996 and 231243014.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1765149 + ... + 1765279.

It is an arithmetic number, because the mean of its divisors is an integer number (6486480).

Almost surely, 2^231243034 is an apocalyptic number.

231243034 is a deficient number, since it is larger than the sum of its proper divisors (183891686).

231243034 is a wasteful number, since it uses less digits than its factorization.

231243034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 231243034 is about 15206.6772833515. The cubic root of 231243034 is about 613.7943498135.

Adding to 231243034 its reverse (430342132), we get a palindrome (661585166).

The spelling of 231243034 in words is "two hundred thirty-one million, two hundred forty-three thousand, thirty-four".