230120531 has 2 divisors, whose sum is σ = 230120532. Its totient is φ = 230120530.

The previous prime is 230120467. The next prime is 230120549. The reversal of 230120531 is 135021032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230120531 - 2⁶ = 230120467 is a prime.

It is a super-2 number, since 2×230120531² = 105910917575443922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (230120831) 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, 115060265 + 115060266.

It is an arithmetic number, because the mean of its divisors is an integer number (115060266).

Almost surely, 2^230120531 is an apocalyptic number.

230120531 is a deficient number, since it is larger than the sum of its proper divisors (1).

230120531 is an equidigital number, since it uses as much as digits as its factorization.

230120531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 230120531 is about 15169.7241570175. The cubic root of 230120531 is about 612.7995755686.

Adding to 230120531 its reverse (135021032), we get a palindrome (365141563).

The spelling of 230120531 in words is "two hundred thirty million, one hundred twenty thousand, five hundred thirty-one".