204144011431 has 2 divisors, whose sum is σ = 204144011432. Its totient is φ = 204144011430.

The previous prime is 204144011377. The next prime is 204144011441. The reversal of 204144011431 is 134110441402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204144011431 - 2¹⁷ = 204143880359 is a prime.

It is a super-2 number, since 2×204144011431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204144011396 and 204144011405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204144011441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102072005715 + 102072005716.

It is an arithmetic number, because the mean of its divisors is an integer number (102072005716).

Almost surely, 2^204144011431 is an apocalyptic number.

204144011431 is a deficient number, since it is larger than the sum of its proper divisors (1).

204144011431 is an equidigital number, since it uses as much as digits as its factorization.

204144011431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 204144011431 its reverse (134110441402), we get a palindrome (338254452833).

The spelling of 204144011431 in words is "two hundred four billion, one hundred forty-four million, eleven thousand, four hundred thirty-one".