225203131243 has 2 divisors, whose sum is σ = 225203131244. Its totient is φ = 225203131242.

The previous prime is 225203131207. The next prime is 225203131253. The reversal of 225203131243 is 342131302522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225203131243 - 2¹³ = 225203123051 is a prime.

It is not a weakly prime, because it can be changed into another prime (225203131253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112601565621 + 112601565622.

It is an arithmetic number, because the mean of its divisors is an integer number (112601565622).

Almost surely, 2^225203131243 is an apocalyptic number.

225203131243 is a deficient number, since it is larger than the sum of its proper divisors (1).

225203131243 is an equidigital number, since it uses as much as digits as its factorization.

225203131243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 225203131243 its reverse (342131302522), we get a palindrome (567334433765).

The spelling of 225203131243 in words is "two hundred twenty-five billion, two hundred three million, one hundred thirty-one thousand, two hundred forty-three".