204132340423431 has 24 divisors (see below), whose sum is σ = 338690931774624. Its totient is φ = 116054934649920.

The previous prime is 204132340423409. The next prime is 204132340423441. The reversal of 204132340423431 is 134324043231402.

204132340423431 is a `hidden beast` number, since 2 + 0 + 4 + 13 + 2 + 3 + 404 + 234 + 3 + 1 = 666.

It is not a de Polignac number, because 204132340423431 - 2⁹ = 204132340422919 is a prime.

It is a super-2 number, since 2×204132340423431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204132340423441) 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 23 ways as a sum of consecutive naturals, for example, 8223835000 + ... + 8223859821.

It is an arithmetic number, because the mean of its divisors is an integer number (14112122157276).

Almost surely, 2^{204132340423431} is an apocalyptic number.

204132340423431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

204132340423431 is a deficient number, since it is larger than the sum of its proper divisors (134558591351193).

204132340423431 is a wasteful number, since it uses less digits than its factorization.

204132340423431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16447695031 (or 16447695028 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 204132340423431 its reverse (134324043231402), we get a palindrome (338456383654833).

The spelling of 204132340423431 in words is "two hundred four trillion, one hundred thirty-two billion, three hundred forty million, four hundred twenty-three thousand, four hundred thirty-one".