204143214231 has 12 divisors (see below), whose sum is σ = 321680216520. Its totient is φ = 123723160080.

The previous prime is 204143214217. The next prime is 204143214259. The reversal of 204143214231 is 132412341402.

204143214231 is a `hidden beast` number, since 2 + 0 + 414 + 3 + 2 + 14 + 231 = 666.

It is not a de Polignac number, because 204143214231 - 2⁵ = 204143214199 is a prime.

It is a super-2 number, since 2×204143214231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204143214195 and 204143214204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204143214271) 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 11 ways as a sum of consecutive naturals, for example, 1031026236 + ... + 1031026433.

It is an arithmetic number, because the mean of its divisors is an integer number (26806684710).

Almost surely, 2^204143214231 is an apocalyptic number.

204143214231 is a deficient number, since it is larger than the sum of its proper divisors (117537002289).

204143214231 is a wasteful number, since it uses less digits than its factorization.

204143214231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062052686 (or 2062052683 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 204143214231 its reverse (132412341402), we get a palindrome (336555555633).

The spelling of 204143214231 in words is "two hundred four billion, one hundred forty-three million, two hundred fourteen thousand, two hundred thirty-one".