2120003431 has 24 divisors (see below), whose sum is σ = 2630983680. Its totient is φ = 1672628256.

The previous prime is 2120003419. The next prime is 2120003447. The reversal of 2120003431 is 1343000212.

It is a happy number.

It is not a de Polignac number, because 2120003431 - 2¹¹ = 2120001383 is a prime.

It is a super-2 number, since 2×2120003431² = 8988829094903543522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120003531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450750 + ... + 455428.

It is an arithmetic number, because the mean of its divisors is an integer number (109624320).

Almost surely, 2^2120003431 is an apocalyptic number.

2120003431 is a deficient number, since it is larger than the sum of its proper divisors (510980249).

2120003431 is a wasteful number, since it uses less digits than its factorization.

2120003431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095 (or 5082 counting only the distinct ones).

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

The square root of 2120003431 is about 46043.4949911494. The cubic root of 2120003431 is about 1284.6323507264.

Adding to 2120003431 its reverse (1343000212), we get a palindrome (3463003643).

The spelling of 2120003431 in words is "two billion, one hundred twenty million, three thousand, four hundred thirty-one".