230132531 has 2 divisors, whose sum is σ = 230132532. Its totient is φ = 230132530.

The previous prime is 230132479. The next prime is 230132569. The reversal of 230132531 is 135231032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230132531 - 2²² = 225938227 is a prime.

It is a super-2 number, since 2×230132531² = 105921963648931922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230132131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115066265 + 115066266.

It is an arithmetic number, because the mean of its divisors is an integer number (115066266).

Almost surely, 2^230132531 is an apocalyptic number.

230132531 is a deficient number, since it is larger than the sum of its proper divisors (1).

230132531 is an equidigital number, since it uses as much as digits as its factorization.

230132531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 230132531 is about 15170.1196765220. The cubic root of 230132531 is about 612.8102271853.

Adding to 230132531 its reverse (135231032), we get a palindrome (365363563).

The spelling of 230132531 in words is "two hundred thirty million, one hundred thirty-two thousand, five hundred thirty-one".