2120302231 has 2 divisors, whose sum is σ = 2120302232. Its totient is φ = 2120302230.

The previous prime is 2120302229. The next prime is 2120302243. The reversal of 2120302231 is 1322030212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120302231 - 2¹ = 2120302229 is a prime.

It is a super-2 number, since 2×2120302231² = 8991363101567154722, which contains 22 as substring.

Together with 2120302229, 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 (2120302291) 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, 1060151115 + 1060151116.

It is an arithmetic number, because the mean of its divisors is an integer number (1060151116).

Almost surely, 2^2120302231 is an apocalyptic number.

2120302231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120302231 is an equidigital number, since it uses as much as digits as its factorization.

2120302231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2120302231 is about 46046.7396348536. The cubic root of 2120302231 is about 1284.6927012757.

Adding to 2120302231 its reverse (1322030212), we get a palindrome (3442332443).

The spelling of 2120302231 in words is "two billion, one hundred twenty million, three hundred two thousand, two hundred thirty-one".