204040431213 has 8 divisors (see below), whose sum is σ = 279406716768. Its totient is φ = 132350549904.

The previous prime is 204040431193. The next prime is 204040431233. The reversal of 204040431213 is 312134040402.

It is an interprime number because it is at equal distance from previous prime (204040431193) and next prime (204040431233).

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

It is not a de Polignac number, because 204040431213 - 2¹⁴ = 204040414829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204040431233) 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, 919100931 + ... + 919101152.

It is an arithmetic number, because the mean of its divisors is an integer number (34925839596).

Almost surely, 2^204040431213 is an apocalyptic number.

It is an amenable number.

204040431213 is a deficient number, since it is larger than the sum of its proper divisors (75366285555).

204040431213 is a wasteful number, since it uses less digits than its factorization.

204040431213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838202123.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 204040431213 its reverse (312134040402), we get a palindrome (516174471615).

The spelling of 204040431213 in words is "two hundred four billion, forty million, four hundred thirty-one thousand, two hundred thirteen".