234228313 has 4 divisors (see below), whose sum is σ = 255521808. Its totient is φ = 212934820.

The previous prime is 234228271. The next prime is 234228317. The reversal of 234228313 is 313822432.

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 a cyclic number.

It is not a de Polignac number, because 234228313 - 2²¹ = 232131161 is a prime.

It is a super-2 number, since 2×234228313² = 109725805221651938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234228317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10646731 + ... + 10646752.

It is an arithmetic number, because the mean of its divisors is an integer number (63880452).

Almost surely, 2^234228313 is an apocalyptic number.

It is an amenable number.

234228313 is a deficient number, since it is larger than the sum of its proper divisors (21293495).

234228313 is a wasteful number, since it uses less digits than its factorization.

234228313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21293494.

The product of its digits is 6912, while the sum is 28.

The square root of 234228313 is about 15304.5193652071. The cubic root of 234228313 is about 616.4243655167.

The spelling of 234228313 in words is "two hundred thirty-four million, two hundred twenty-eight thousand, three hundred thirteen".