2031304300420 has 24 divisors (see below), whose sum is σ = 4516664856984. Its totient is φ = 764726324736.

The previous prime is 2031304300397. The next prime is 2031304300427. The reversal of 2031304300420 is 240034031302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 295440079936 + 1735864220484 = 543544^2 + 1317522^2 .

It is a super-2 number, since 2×2031304300420² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2031304300391 and 2031304300400.

It is not an unprimeable number, because it can be changed into a prime (2031304300427) 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 7 ways as a sum of consecutive naturals, for example, 2987211867 + ... + 2987212546.

It is an arithmetic number, because the mean of its divisors is an integer number (188194369041).

Almost surely, 2^{2031304300420} is an apocalyptic number.

2031304300420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031304300420 is an abundant number, since it is smaller than the sum of its proper divisors (2485360556564).

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

2031304300420 is a wasteful number, since it uses less digits than its factorization.

2031304300420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5974424439 (or 5974424437 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 2031304300420 its reverse (240034031302), we get a palindrome (2271338331722).

The spelling of 2031304300420 in words is "two trillion, thirty-one billion, three hundred four million, three hundred thousand, four hundred twenty".