231522041433 has 16 divisors (see below), whose sum is σ = 314632999296. Its totient is φ = 151401626880.

The previous prime is 231522041351. The next prime is 231522041441. The reversal of 231522041433 is 334140225132.

It is not a de Polignac number, because 231522041433 - 2¹⁶ = 231521975897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231522041433.

It is not an unprimeable number, because it can be changed into a prime (231522041453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2716816 + ... + 2800737.

It is an arithmetic number, because the mean of its divisors is an integer number (19664562456).

Almost surely, 2^231522041433 is an apocalyptic number.

It is an amenable number.

231522041433 is a deficient number, since it is larger than the sum of its proper divisors (83110957863).

231522041433 is a wasteful number, since it uses less digits than its factorization.

231522041433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5517824.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 231522041433 its reverse (334140225132), we get a palindrome (565662266565).

The spelling of 231522041433 in words is "two hundred thirty-one billion, five hundred twenty-two million, forty-one thousand, four hundred thirty-three".