230504635531 has 4 divisors (see below), whose sum is σ = 233662233352. Its totient is φ = 227347037712.

The previous prime is 230504635507. The next prime is 230504635591. The reversal of 230504635531 is 135536405032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230504635531 - 2¹⁵ = 230504602763 is a prime.

It is a super-2 number, since 2×230504635531² (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 (230504635591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1578798801 + ... + 1578798946.

It is an arithmetic number, because the mean of its divisors is an integer number (58415558338).

Almost surely, 2^230504635531 is an apocalyptic number.

230504635531 is a deficient number, since it is larger than the sum of its proper divisors (3157597821).

230504635531 is an equidigital number, since it uses as much as digits as its factorization.

230504635531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157597820.

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 230504635531 in words is "two hundred thirty billion, five hundred four million, six hundred thirty-five thousand, five hundred thirty-one".