2171714306831 has 2 divisors, whose sum is σ = 2171714306832. Its totient is φ = 2171714306830.

The previous prime is 2171714306809. The next prime is 2171714306897. The reversal of 2171714306831 is 1386034171712.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2171714306831 - 2⁶ = 2171714306767 is a prime.

It is a super-2 number, since 2×2171714306831² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2171714302831) 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, 1085857153415 + 1085857153416.

It is an arithmetic number, because the mean of its divisors is an integer number (1085857153416).

Almost surely, 2^{2171714306831} is an apocalyptic number.

2171714306831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2171714306831 is an equidigital number, since it uses as much as digits as its factorization.

2171714306831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 2171714306831 in words is "two trillion, one hundred seventy-one billion, seven hundred fourteen million, three hundred six thousand, eight hundred thirty-one".