234212313 has 4 divisors (see below), whose sum is σ = 312283088. Its totient is φ = 156141540.

The previous prime is 234212309. The next prime is 234212351. The reversal of 234212313 is 313212432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 234212313 - 2² = 234212309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234212313.

It is not an unprimeable number, because it can be changed into a prime (234212513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39035383 + ... + 39035388.

It is an arithmetic number, because the mean of its divisors is an integer number (78070772).

Almost surely, 2^234212313 is an apocalyptic number.

It is an amenable number.

234212313 is a deficient number, since it is larger than the sum of its proper divisors (78070775).

234212313 is an equidigital number, since it uses as much as digits as its factorization.

234212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78070774.

The product of its digits is 864, while the sum is 21.

The square root of 234212313 is about 15303.9966348663. The cubic root of 234212313 is about 616.4103293336.

Adding to 234212313 its reverse (313212432), we get a palindrome (547424745).

The spelling of 234212313 in words is "two hundred thirty-four million, two hundred twelve thousand, three hundred thirteen".