230220515231 has 12 divisors (see below), whose sum is σ = 267094811088. Its totient is φ = 194386591872.

The previous prime is 230220515177. The next prime is 230220515251. The reversal of 230220515231 is 132515022032.

It is a happy number.

It is not a de Polignac number, because 230220515231 - 2¹⁴ = 230220498847 is a prime.

It is a super-2 number, since 2×230220515231² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230220515231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230220515251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3631826 + ... + 3694671.

It is an arithmetic number, because the mean of its divisors is an integer number (22257900924).

Almost surely, 2^230220515231 is an apocalyptic number.

230220515231 is a deficient number, since it is larger than the sum of its proper divisors (36874295857).

230220515231 is an frugal number, since it uses more digits than its factorization.

230220515231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7326638 (or 7326571 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 230220515231 its reverse (132515022032), we get a palindrome (362735537263).

The spelling of 230220515231 in words is "two hundred thirty billion, two hundred twenty million, five hundred fifteen thousand, two hundred thirty-one".