2120434331 has 8 divisors (see below), whose sum is σ = 2213836704. Its totient is φ = 2027132800.

The previous prime is 2120434321. The next prime is 2120434343. The reversal of 2120434331 is 1334340212.

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 2120434331 - 2¹⁴ = 2120417947 is a prime.

It is a super-2 number, since 2×2120434331² = 8992483504166835122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120434297 and 2120434306.

It is not an unprimeable number, because it can be changed into a prime (2120434321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19475 + ... + 67971.

It is an arithmetic number, because the mean of its divisors is an integer number (276729588).

Almost surely, 2^2120434331 is an apocalyptic number.

2120434331 is a deficient number, since it is larger than the sum of its proper divisors (93402373).

2120434331 is a wasteful number, since it uses less digits than its factorization.

2120434331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50421.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2120434331 is about 46048.1740246017. The cubic root of 2120434331 is about 1284.7193805511.

Adding to 2120434331 its reverse (1334340212), we get a palindrome (3454774543).

The spelling of 2120434331 in words is "two billion, one hundred twenty million, four hundred thirty-four thousand, three hundred thirty-one".