234503531 has 2 divisors, whose sum is σ = 234503532. Its totient is φ = 234503530.

The previous prime is 234503513. The next prime is 234503537. The reversal of 234503531 is 135305432.

Together with previous prime (234503513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234503531 - 2¹⁴ = 234487147 is a prime.

It is a super-2 number, since 2×234503531² = 109983812102935922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 234503531.

It is not a weakly prime, because it can be changed into another prime (234503537) 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 as a sum of consecutive naturals, namely, 117251765 + 117251766.

It is an arithmetic number, because the mean of its divisors is an integer number (117251766).

Almost surely, 2^234503531 is an apocalyptic number.

234503531 is a deficient number, since it is larger than the sum of its proper divisors (1).

234503531 is an equidigital number, since it uses as much as digits as its factorization.

234503531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 234503531 is about 15313.5081219164. The cubic root of 234503531 is about 616.6657036589.

Adding to 234503531 its reverse (135305432), we get a palindrome (369808963).

The spelling of 234503531 in words is "two hundred thirty-four million, five hundred three thousand, five hundred thirty-one".