2120331 has 8 divisors (see below), whose sum is σ = 2833920. Its totient is φ = 1410152.

The previous prime is 2120329. The next prime is 2120341. The reversal of 2120331 is 1330212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120331 - 2¹ = 2120329 is a prime.

It is a super-2 number, since 2×2120331² = 8991607099122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666 + ... + 2648.

It is an arithmetic number, because the mean of its divisors is an integer number (354240).

2^2120331 is an apocalyptic number.

2120331 is a deficient number, since it is larger than the sum of its proper divisors (713589).

2120331 is an equidigital number, since it uses as much as digits as its factorization.

2120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2120331 is about 1456.1356392864. The cubic root of 2120331 is about 128.4698511636.

Adding to 2120331 its reverse (1330212), we get a palindrome (3450543).

The spelling of 2120331 in words is "two million, one hundred twenty thousand, three hundred thirty-one".