2031243433420 has 12 divisors (see below), whose sum is σ = 4265611210224. Its totient is φ = 812497373360.

The previous prime is 2031243433403. The next prime is 2031243433421. The reversal of 2031243433420 is 243343421302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2031243433421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50781085816 + ... + 50781085855.

It is an arithmetic number, because the mean of its divisors is an integer number (355467600852).

Almost surely, 2^{2031243433420} is an apocalyptic number.

2031243433420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031243433420 is an abundant number, since it is smaller than the sum of its proper divisors (2234367776804).

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

2031243433420 is a wasteful number, since it uses less digits than its factorization.

2031243433420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101562171680 (or 101562171678 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 2031243433420 its reverse (243343421302), we get a palindrome (2274586854722).

The spelling of 2031243433420 in words is "two trillion, thirty-one billion, two hundred forty-three million, four hundred thirty-three thousand, four hundred twenty".