234631345 has 8 divisors (see below), whose sum is σ = 303215976. Its totient is φ = 173266176.

The previous prime is 234631321. The next prime is 234631391. The reversal of 234631345 is 543136432.

It can be written as a sum of positive squares in 4 ways, for example, as 12054784 + 222576561 = 3472^2 + 14919^2 .

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 234631345 - 2⁷ = 234631217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1804792 + ... + 1804921.

It is an arithmetic number, because the mean of its divisors is an integer number (37901997).

Almost surely, 2^234631345 is an apocalyptic number.

It is an amenable number.

234631345 is a deficient number, since it is larger than the sum of its proper divisors (68584631).

234631345 is a wasteful number, since it uses less digits than its factorization.

234631345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609731.

The product of its digits is 25920, while the sum is 31.

The square root of 234631345 is about 15317.6807970397. The cubic root of 234631345 is about 616.7777193067. Note that the first 4 decimals are identical.

Adding to 234631345 its reverse (543136432), we get a palindrome (777767777).

The spelling of 234631345 in words is "two hundred thirty-four million, six hundred thirty-one thousand, three hundred forty-five".