2731673154731 has 2 divisors, whose sum is σ = 2731673154732. Its totient is φ = 2731673154730.

The previous prime is 2731673154689. The next prime is 2731673154733. The reversal of 2731673154731 is 1374513761372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2731673154731 - 2¹⁴ = 2731673138347 is a prime.

It is a super-2 number, since 2×2731673154731² (a number of 26 digits) contains 22 as substring.

Together with 2731673154733, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2731673154731.

It is not a weakly prime, because it can be changed into another prime (2731673154733) 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, 1365836577365 + 1365836577366.

It is an arithmetic number, because the mean of its divisors is an integer number (1365836577366).

Almost surely, 2^{2731673154731} is an apocalyptic number.

2731673154731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2731673154731 is an equidigital number, since it uses as much as digits as its factorization.

2731673154731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2222640, while the sum is 50.

The spelling of 2731673154731 in words is "two trillion, seven hundred thirty-one billion, six hundred seventy-three million, one hundred fifty-four thousand, seven hundred thirty-one".