234234531 has 24 divisors (see below), whose sum is σ = 356702640. Its totient is φ = 151911936.

The previous prime is 234234521. The next prime is 234234541. The reversal of 234234531 is 135432432.

It is an interprime number because it is at equal distance from previous prime (234234521) and next prime (234234541).

It is not a de Polignac number, because 234234531 - 2¹⁰ = 234233507 is a prime.

It is a super-2 number, since 2×234234531² = 109731631025579922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 234234495 and 234234504.

It is not an unprimeable number, because it can be changed into a prime (234234521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33795 + ... + 40131.

It is an arithmetic number, because the mean of its divisors is an integer number (14862610).

Almost surely, 2^234234531 is an apocalyptic number.

234234531 is a deficient number, since it is larger than the sum of its proper divisors (122468109).

234234531 is an equidigital number, since it uses as much as digits as its factorization.

234234531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420 (or 6377 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 234234531 is about 15304.7225064684. The cubic root of 234234531 is about 616.4298201558.

Adding to 234234531 its reverse (135432432), we get a palindrome (369666963).

The spelling of 234234531 in words is "two hundred thirty-four million, two hundred thirty-four thousand, five hundred thirty-one".