234425731 has 4 divisors (see below), whose sum is σ = 238848912. Its totient is φ = 230002552.

The previous prime is 234425677. The next prime is 234425753. The reversal of 234425731 is 137524432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234425731 - 2²⁵ = 200871299 is a prime.

It is a super-2 number, since 2×234425731² = 109910846709768722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234425693 and 234425702.

It is not an unprimeable number, because it can be changed into a prime (234425791) 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, 2211511 + ... + 2211616.

It is an arithmetic number, because the mean of its divisors is an integer number (59712228).

Almost surely, 2^234425731 is an apocalyptic number.

234425731 is a deficient number, since it is larger than the sum of its proper divisors (4423181).

234425731 is an equidigital number, since it uses as much as digits as its factorization.

234425731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423180.

The product of its digits is 20160, while the sum is 31.

The square root of 234425731 is about 15310.9676702683. The cubic root of 234425731 is about 616.5975001395.

The spelling of 234425731 in words is "two hundred thirty-four million, four hundred twenty-five thousand, seven hundred thirty-one".