2120382331 has 4 divisors (see below), whose sum is σ = 2169693592. Its totient is φ = 2071071072.

The previous prime is 2120382323. The next prime is 2120382353. The reversal of 2120382331 is 1332830212.

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 2120382331 - 2³ = 2120382323 is a prime.

It is a super-2 number, since 2×2120382331² = 8992042459233987122, 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 = 2120382296 and 2120382305.

It is not an unprimeable number, because it can be changed into a prime (2120382301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24655566 + ... + 24655651.

It is an arithmetic number, because the mean of its divisors is an integer number (542423398).

Almost surely, 2^2120382331 is an apocalyptic number.

2120382331 is a deficient number, since it is larger than the sum of its proper divisors (49311261).

2120382331 is an equidigital number, since it uses as much as digits as its factorization.

2120382331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49311260.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2120382331 is about 46047.6093950598. The cubic root of 2120382331 is about 1284.7088786218.

It can be divided in two parts, 212038 and 2331, that added together give a square (214369 = 463²).

The spelling of 2120382331 in words is "two billion, one hundred twenty million, three hundred eighty-two thousand, three hundred thirty-one".