2071223506831 has 2 divisors, whose sum is σ = 2071223506832. Its totient is φ = 2071223506830.

The previous prime is 2071223506829. The next prime is 2071223506843. The reversal of 2071223506831 is 1386053221702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2071223506831 - 2¹ = 2071223506829 is a prime.

It is a super-3 number, since 3×2071223506831³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 2071223506829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2071223506811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035611753415 + 1035611753416.

It is an arithmetic number, because the mean of its divisors is an integer number (1035611753416).

Almost surely, 2^{2071223506831} is an apocalyptic number.

2071223506831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071223506831 is an equidigital number, since it uses as much as digits as its factorization.

2071223506831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 2071223506831 in words is "two trillion, seventy-one billion, two hundred twenty-three million, five hundred six thousand, eight hundred thirty-one".