51731443151 has 2 divisors, whose sum is σ = 51731443152. Its totient is φ = 51731443150.

The previous prime is 51731443129. The next prime is 51731443187. The reversal of 51731443151 is 15134413715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51731443151 - 2¹⁰ = 51731442127 is a prime.

It is a super-2 number, since 2×51731443151² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51731443651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25865721575 + 25865721576.

It is an arithmetic number, because the mean of its divisors is an integer number (25865721576).

Almost surely, 2^51731443151 is an apocalyptic number.

51731443151 is a deficient number, since it is larger than the sum of its proper divisors (1).

51731443151 is an equidigital number, since it uses as much as digits as its factorization.

51731443151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

Adding to 51731443151 its reverse (15134413715), we get a palindrome (66865856866).

The spelling of 51731443151 in words is "fifty-one billion, seven hundred thirty-one million, four hundred forty-three thousand, one hundred fifty-one".