2120332231 has 4 divisors (see below), whose sum is σ = 2149377952. Its totient is φ = 2091286512.

The previous prime is 2120332217. The next prime is 2120332267. The reversal of 2120332231 is 1322330212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2120332231 - 2¹³ = 2120324039 is a prime.

It is a super-2 number, since 2×2120332231² = 8991617539634874722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120332199 and 2120332208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120332031) 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 in 3 ways as a sum of consecutive naturals, for example, 14522751 + ... + 14522896.

It is an arithmetic number, because the mean of its divisors is an integer number (537344488).

Almost surely, 2^2120332231 is an apocalyptic number.

2120332231 is a deficient number, since it is larger than the sum of its proper divisors (29045721).

2120332231 is an equidigital number, since it uses as much as digits as its factorization.

2120332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29045720.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2120332231 is about 46047.0653896641. The cubic root of 2120332231 is about 1284.6987602545.

Adding to 2120332231 its reverse (1322330212), we get a palindrome (3442662443).

The spelling of 2120332231 in words is "two billion, one hundred twenty million, three hundred thirty-two thousand, two hundred thirty-one".