229561838231 has 32 divisors (see below), whose sum is σ = 270531809280. Its totient is φ = 192469939200.

The previous prime is 229561838221. The next prime is 229561838239. The reversal of 229561838231 is 132838165922.

It is a happy number.

It is not a de Polignac number, because 229561838231 - 2¹⁴ = 229561821847 is a prime.

It is a super-2 number, since 2×229561838231² (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 229561838231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229561838239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2345075 + ... + 2441003.

It is an arithmetic number, because the mean of its divisors is an integer number (8454119040).

Almost surely, 2^229561838231 is an apocalyptic number.

229561838231 is a deficient number, since it is larger than the sum of its proper divisors (40969971049).

229561838231 is a wasteful number, since it uses less digits than its factorization.

229561838231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96215.

The product of its digits is 1244160, while the sum is 50.

The spelling of 229561838231 in words is "two hundred twenty-nine billion, five hundred sixty-one million, eight hundred thirty-eight thousand, two hundred thirty-one".