2031320202 has 16 divisors (see below), whose sum is σ = 4172441952. Its totient is φ = 658806480.

The previous prime is 2031320201. The next prime is 2031320209. The reversal of 2031320202 is 2020231302.

2031320202 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2031320201) 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, 4574824 + ... + 4575267.

It is an arithmetic number, because the mean of its divisors is an integer number (260777622).

Almost surely, 2^2031320202 is an apocalyptic number.

2031320202 is an abundant number, since it is smaller than the sum of its proper divisors (2141121750).

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

2031320202 is a wasteful number, since it uses less digits than its factorization.

2031320202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9150133.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2031320202 is about 45070.1697578343. The cubic root of 2031320202 is about 1266.4638445182.

Adding to 2031320202 its reverse (2020231302), we get a palindrome (4051551504).

Subtracting from 2031320202 its reverse (2020231302), we obtain a square (11088900 = 3330²).

The spelling of 2031320202 in words is "two billion, thirty-one million, three hundred twenty thousand, two hundred two".