2731713512251 has 2 divisors, whose sum is σ = 2731713512252. Its totient is φ = 2731713512250.

The previous prime is 2731713512249. The next prime is 2731713512267. The reversal of 2731713512251 is 1522153171372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2731713512251 - 2¹ = 2731713512249 is a prime.

Together with 2731713512249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2731713512291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365856756125 + 1365856756126.

It is an arithmetic number, because the mean of its divisors is an integer number (1365856756126).

Almost surely, 2^{2731713512251} is an apocalyptic number.

2731713512251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2731713512251 is an equidigital number, since it uses as much as digits as its factorization.

2731713512251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 40.

The spelling of 2731713512251 in words is "two trillion, seven hundred thirty-one billion, seven hundred thirteen million, five hundred twelve thousand, two hundred fifty-one".