20043103231 has 2 divisors, whose sum is σ = 20043103232. Its totient is φ = 20043103230.

The previous prime is 20043103163. The next prime is 20043103253. The reversal of 20043103231 is 13230134002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20043103231 - 2²¹ = 20041006079 is a prime.

It is a super-2 number, since 2×20043103231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20043103199 and 20043103208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20043103261) 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, 10021551615 + 10021551616.

It is an arithmetic number, because the mean of its divisors is an integer number (10021551616).

Almost surely, 2^20043103231 is an apocalyptic number.

20043103231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20043103231 is an equidigital number, since it uses as much as digits as its factorization.

20043103231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20043103231 its reverse (13230134002), we get a palindrome (33273237233).

The spelling of 20043103231 in words is "twenty billion, forty-three million, one hundred three thousand, two hundred thirty-one".