230422531 has 2 divisors, whose sum is σ = 230422532. Its totient is φ = 230422530.

The previous prime is 230422523. The next prime is 230422537. The reversal of 230422531 is 135224032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230422531 - 2³ = 230422523 is a prime.

It is a super-2 number, since 2×230422531² = 106189085584891922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (230422537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115211265 + 115211266.

It is an arithmetic number, because the mean of its divisors is an integer number (115211266).

Almost surely, 2^230422531 is an apocalyptic number.

230422531 is a deficient number, since it is larger than the sum of its proper divisors (1).

230422531 is an equidigital number, since it uses as much as digits as its factorization.

230422531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 230422531 is about 15179.6749306433. The cubic root of 230422531 is about 613.0675287332.

Adding to 230422531 its reverse (135224032), we get a palindrome (365646563).

The spelling of 230422531 in words is "two hundred thirty million, four hundred twenty-two thousand, five hundred thirty-one".