2031421422 has 16 divisors (see below), whose sum is σ = 4089750912. Its totient is φ = 672655800.

The previous prime is 2031421421. The next prime is 2031421459. The reversal of 2031421422 is 2241241302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031421421) 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, 1120188 + ... + 1121999.

It is an arithmetic number, because the mean of its divisors is an integer number (255609432).

Almost surely, 2^2031421422 is an apocalyptic number.

2031421422 is an abundant number, since it is smaller than the sum of its proper divisors (2058329490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031421422 is a wasteful number, since it uses less digits than its factorization.

2031421422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242343.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2031421422 is about 45071.2926595189. The cubic root of 2031421422 is about 1266.4848799908.

Adding to 2031421422 its reverse (2241241302), we get a palindrome (4272662724).

The spelling of 2031421422 in words is "two billion, thirty-one million, four hundred twenty-one thousand, four hundred twenty-two".