204253420031 has 8 divisors (see below), whose sum is σ = 210857420928. Its totient is φ = 197650368000.

The previous prime is 204253420013. The next prime is 204253420067. The reversal of 204253420031 is 130024352402.

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 204253420031 - 2⁶ = 204253419967 is a prime.

It is a super-2 number, since 2×204253420031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204253420081) 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, 213911 + ... + 673991.

It is an arithmetic number, because the mean of its divisors is an integer number (26357177616).

Almost surely, 2^204253420031 is an apocalyptic number.

204253420031 is a deficient number, since it is larger than the sum of its proper divisors (6604000897).

204253420031 is a wasteful number, since it uses less digits than its factorization.

204253420031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474433.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 204253420031 its reverse (130024352402), we get a palindrome (334277772433).

The spelling of 204253420031 in words is "two hundred four billion, two hundred fifty-three million, four hundred twenty thousand, thirty-one".