230202525531 has 24 divisors (see below), whose sum is σ = 337423774912. Its totient is φ = 139497217200.

The previous prime is 230202525499. The next prime is 230202525571. The reversal of 230202525531 is 135525202032.

It is not a de Polignac number, because 230202525531 - 2⁵ = 230202525499 is a prime.

It is a super-2 number, since 2×230202525531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230202525571) 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, 2815416 + ... + 2896026.

Almost surely, 2^230202525531 is an apocalyptic number.

230202525531 is a deficient number, since it is larger than the sum of its proper divisors (107221249381).

230202525531 is a wasteful number, since it uses less digits than its factorization.

230202525531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88503 (or 88492 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 230202525531 its reverse (135525202032), we get a palindrome (365727727563).

The spelling of 230202525531 in words is "two hundred thirty billion, two hundred two million, five hundred twenty-five thousand, five hundred thirty-one".