230531535 has 32 divisors (see below), whose sum is σ = 441362880. Its totient is φ = 113491584.

The previous prime is 230531501. The next prime is 230531551. The reversal of 230531535 is 535135032.

It is not a de Polignac number, because 230531535 - 2¹⁰ = 230530511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 230531499 and 230531508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63924 + ... + 67433.

It is an arithmetic number, because the mean of its divisors is an integer number (13792590).

Almost surely, 2^230531535 is an apocalyptic number.

230531535 is a deficient number, since it is larger than the sum of its proper divisors (210831345).

230531535 is a wasteful number, since it uses less digits than its factorization.

230531535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131384 (or 131378 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 230531535 is about 15183.2649650857. The cubic root of 230531535 is about 613.1641863497.

Adding to 230531535 its reverse (535135032), we get a palindrome (765666567).

The spelling of 230531535 in words is "two hundred thirty million, five hundred thirty-one thousand, five hundred thirty-five".