51433203271 has 2 divisors, whose sum is σ = 51433203272. Its totient is φ = 51433203270.

The previous prime is 51433203253. The next prime is 51433203323. The reversal of 51433203271 is 17230233415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51433203271 - 2⁹ = 51433202759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51433203071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25716601635 + 25716601636.

It is an arithmetic number, because the mean of its divisors is an integer number (25716601636).

Almost surely, 2^51433203271 is an apocalyptic number.

51433203271 is a deficient number, since it is larger than the sum of its proper divisors (1).

51433203271 is an equidigital number, since it uses as much as digits as its factorization.

51433203271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

Adding to 51433203271 its reverse (17230233415), we get a palindrome (68663436686).

The spelling of 51433203271 in words is "fifty-one billion, four hundred thirty-three million, two hundred three thousand, two hundred seventy-one".