234712531 has 2 divisors, whose sum is σ = 234712532. Its totient is φ = 234712530.

The previous prime is 234712483. The next prime is 234712547. The reversal of 234712531 is 135217432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234712531 - 2⁹ = 234712019 is a prime.

It is a super-2 number, since 2×234712531² = 110179944416851922, 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 234712531.

It is not a weakly prime, because it can be changed into another prime (234412531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117356265 + 117356266.

It is an arithmetic number, because the mean of its divisors is an integer number (117356266).

Almost surely, 2^234712531 is an apocalyptic number.

234712531 is a deficient number, since it is larger than the sum of its proper divisors (1).

234712531 is an equidigital number, since it uses as much as digits as its factorization.

234712531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 234712531 is about 15320.3306426461. The cubic root of 234712531 is about 616.8488492483.

Adding to 234712531 its reverse (135217432), we get a palindrome (369929963).

It can be divided in two parts, 2347 and 12531, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 234712531 in words is "two hundred thirty-four million, seven hundred twelve thousand, five hundred thirty-one".