204343211131 has 8 divisors (see below), whose sum is σ = 217071496400. Its totient is φ = 191812263840.

The previous prime is 204343211123. The next prime is 204343211203. The reversal of 204343211131 is 131112343402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204343211131 - 2³ = 204343211123 is a prime.

It is a super-2 number, since 2×204343211131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204343211096 and 204343211105.

It is not an unprimeable number, because it can be changed into a prime (204343811131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49332360 + ... + 49336501.

It is an arithmetic number, because the mean of its divisors is an integer number (27133937050).

Almost surely, 2^204343211131 is an apocalyptic number.

204343211131 is a deficient number, since it is larger than the sum of its proper divisors (12728285269).

204343211131 is a wasteful number, since it uses less digits than its factorization.

204343211131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98668989.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 204343211131 its reverse (131112343402), we get a palindrome (335455554533).

The spelling of 204343211131 in words is "two hundred four billion, three hundred forty-three million, two hundred eleven thousand, one hundred thirty-one".