204301320431 has 16 divisors (see below), whose sum is σ = 222031153344. Its totient is φ = 186860265984.

The previous prime is 204301320407. The next prime is 204301320439. The reversal of 204301320431 is 134023103402.

It is a cyclic number.

It is not a de Polignac number, because 204301320431 - 2⁶ = 204301320367 is a prime.

It is a super-2 number, since 2×204301320431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204301320397 and 204301320406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204301320439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5279405 + ... + 5317961.

It is an arithmetic number, because the mean of its divisors is an integer number (13876947084).

Almost surely, 2^204301320431 is an apocalyptic number.

204301320431 is a deficient number, since it is larger than the sum of its proper divisors (17729832913).

204301320431 is a wasteful number, since it uses less digits than its factorization.

204301320431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42290.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 204301320431 its reverse (134023103402), we get a palindrome (338324423833).

The spelling of 204301320431 in words is "two hundred four billion, three hundred one million, three hundred twenty thousand, four hundred thirty-one".