231326632365606 has 32 divisors (see below), whose sum is σ = 522486382764000. Its totient is φ = 75844797495840.

The previous prime is 231326632365539. The next prime is 231326632365617. The reversal of 231326632365606 is 606563236623132.

231326632365606 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 2 + 6 + 6 + 3 + 23 + 6 + 5 + 606 = 666.

It is a super-2 number, since 2×231326632365606² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35113328881 + ... + 35113335468.

It is an arithmetic number, because the mean of its divisors is an integer number (16327699461375).

Almost surely, 2^{231326632365606} is an apocalyptic number.

231326632365606 is an abundant number, since it is smaller than the sum of its proper divisors (291159750398394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231326632365606 is a wasteful number, since it uses less digits than its factorization.

231326632365606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70226664421 (or 70226664415 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 54.

Adding to 231326632365606 its reverse (606563236623132), we get a palindrome (837889868988738).

The spelling of 231326632365606 in words is "two hundred thirty-one trillion, three hundred twenty-six billion, six hundred thirty-two million, three hundred sixty-five thousand, six hundred six".