231552534534045 has 16 divisors (see below), whose sum is σ = 370484722789632. Its totient is φ = 123494462573120.

The previous prime is 231552534534019. The next prime is 231552534534047. The reversal of 231552534534045 is 540435435255132.

It is not a de Polignac number, because 231552534534045 - 2²¹ = 231552532436893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231552534534047) 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 15 ways as a sum of consecutive naturals, for example, 5125566 + ... + 22121855.

It is an arithmetic number, because the mean of its divisors is an integer number (23155295174352).

Almost surely, 2^{231552534534045} is an apocalyptic number.

It is an amenable number.

231552534534045 is a deficient number, since it is larger than the sum of its proper divisors (138932188255587).

231552534534045 is a wasteful number, since it uses less digits than its factorization.

231552534534045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27813972.

The product of its (nonzero) digits is 21600000, while the sum is 51.

Adding to 231552534534045 its reverse (540435435255132), we get a palindrome (771987969789177).

The spelling of 231552534534045 in words is "two hundred thirty-one trillion, five hundred fifty-two billion, five hundred thirty-four million, five hundred thirty-four thousand, forty-five".