204421411031 has 2 divisors, whose sum is σ = 204421411032. Its totient is φ = 204421411030.

The previous prime is 204421411009. The next prime is 204421411049. The reversal of 204421411031 is 130114124402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204421411031 - 2¹⁸ = 204421148887 is a prime.

It is a super-2 number, since 2×204421411031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204421410988 and 204421411006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204421411531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102210705515 + 102210705516.

It is an arithmetic number, because the mean of its divisors is an integer number (102210705516).

Almost surely, 2^204421411031 is an apocalyptic number.

204421411031 is a deficient number, since it is larger than the sum of its proper divisors (1).

204421411031 is an equidigital number, since it uses as much as digits as its factorization.

204421411031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 204421411031 its reverse (130114124402), we get a palindrome (334535535433).

The spelling of 204421411031 in words is "two hundred four billion, four hundred twenty-one million, four hundred eleven thousand, thirty-one".