51731361167 has 2 divisors, whose sum is σ = 51731361168. Its totient is φ = 51731361166.

The previous prime is 51731361163. The next prime is 51731361169. The reversal of 51731361167 is 76116313715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51731361167 - 2² = 51731361163 is a prime.

It is a super-3 number, since 3×51731361167³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 51731361169, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51731361163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25865680583 + 25865680584.

It is an arithmetic number, because the mean of its divisors is an integer number (25865680584).

Almost surely, 2^51731361167 is an apocalyptic number.

51731361167 is a deficient number, since it is larger than the sum of its proper divisors (1).

51731361167 is an equidigital number, since it uses as much as digits as its factorization.

51731361167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 41.

The spelling of 51731361167 in words is "fifty-one billion, seven hundred thirty-one million, three hundred sixty-one thousand, one hundred sixty-seven".