230442531 has 48 divisors (see below), whose sum is σ = 362034048. Its totient is φ = 129254400.

The previous prime is 230442529. The next prime is 230442533. The reversal of 230442531 is 135244032.

230442531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (230442529) and next prime (230442533).

It is not a de Polignac number, because 230442531 - 2¹ = 230442529 is a prime.

It is a super-2 number, since 2×230442531² = 106207520187371922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230442533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 696036 + ... + 696366.

It is an arithmetic number, because the mean of its divisors is an integer number (7542376).

Almost surely, 2^230442531 is an apocalyptic number.

230442531 is a deficient number, since it is larger than the sum of its proper divisors (131591517).

230442531 is a wasteful number, since it uses less digits than its factorization.

230442531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 230442531 is about 15180.3336919845. Note that the first 3 decimals coincide. The cubic root of 230442531 is about 613.0852657079.

Adding to 230442531 its reverse (135244032), we get a palindrome (365686563).

The spelling of 230442531 in words is "two hundred thirty million, four hundred forty-two thousand, five hundred thirty-one".