234311218 has 8 divisors (see below), whose sum is σ = 356417280. Its totient is φ = 115505460.

The previous prime is 234311191. The next prime is 234311219. The reversal of 234311218 is 812113432.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 234311192 and 234311201.

It is not an unprimeable number, because it can be changed into a prime (234311219) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 824898 + ... + 825181.

It is an arithmetic number, because the mean of its divisors is an integer number (44552160).

Almost surely, 2^234311218 is an apocalyptic number.

234311218 is a deficient number, since it is larger than the sum of its proper divisors (122106062).

234311218 is a wasteful number, since it uses less digits than its factorization.

234311218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650152.

The product of its digits is 1152, while the sum is 25.

The square root of 234311218 is about 15307.2276392559. The cubic root of 234311218 is about 616.4970846414.

It can be divided in two parts, 23431 and 1218, that added together give a square (24649 = 157²).

The spelling of 234311218 in words is "two hundred thirty-four million, three hundred eleven thousand, two hundred eighteen".