234311213 has 8 divisors (see below), whose sum is σ = 244793880. Its totient is φ = 223988800.

The previous prime is 234311191. The next prime is 234311219. The reversal of 234311213 is 312113432.

It can be written as a sum of positive squares in 4 ways, for example, as 46812964 + 187498249 = 6842^2 + 13693^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 234311213 - 2²⁴ = 217533997 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37070 + ... + 42927.

It is an arithmetic number, because the mean of its divisors is an integer number (30599235).

Almost surely, 2^234311213 is an apocalyptic number.

It is an amenable number.

234311213 is a deficient number, since it is larger than the sum of its proper divisors (10482667).

234311213 is a wasteful number, since it uses less digits than its factorization.

234311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80127.

The product of its digits is 432, while the sum is 20.

The square root of 234311213 is about 15307.2274759344. The cubic root of 234311213 is about 616.4970802562.

Adding to 234311213 its reverse (312113432), we get a palindrome (546424645).

The spelling of 234311213 in words is "two hundred thirty-four million, three hundred eleven thousand, two hundred thirteen".