51431003471 has 2 divisors, whose sum is σ = 51431003472. Its totient is φ = 51431003470.

The previous prime is 51431003411. The next prime is 51431003483. The reversal of 51431003471 is 17430013415.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51431003471 is a prime.

It is a super-3 number, since 3×51431003471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51431003411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25715501735 + 25715501736.

It is an arithmetic number, because the mean of its divisors is an integer number (25715501736).

Almost surely, 2^51431003471 is an apocalyptic number.

51431003471 is a deficient number, since it is larger than the sum of its proper divisors (1).

51431003471 is an equidigital number, since it uses as much as digits as its factorization.

51431003471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 51431003471 its reverse (17430013415), we get a palindrome (68861016886).

The spelling of 51431003471 in words is "fifty-one billion, four hundred thirty-one million, three thousand, four hundred seventy-one".