230085531 has 24 divisors (see below), whose sum is σ = 378967680. Its totient is φ = 133261056.

The previous prime is 230085523. The next prime is 230085533. The reversal of 230085531 is 135580032.

It is not a de Polignac number, because 230085531 - 2³ = 230085523 is a prime.

It is a super-2 number, since 2×230085531² = 105878703151103922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230085495 and 230085504.

It is not an unprimeable number, because it can be changed into a prime (230085533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55851 + ... + 59828.

It is an arithmetic number, because the mean of its divisors is an integer number (15790320).

Almost surely, 2^230085531 is an apocalyptic number.

230085531 is a deficient number, since it is larger than the sum of its proper divisors (148882149).

230085531 is a wasteful number, since it uses less digits than its factorization.

230085531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115715 (or 115712 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 230085531 is about 15168.5704995560. The cubic root of 230085531 is about 612.7685062379.

The spelling of 230085531 in words is "two hundred thirty million, eighty-five thousand, five hundred thirty-one".