20203131031444 has 24 divisors (see below), whose sum is σ = 35564757850440. Its totient is φ = 10041787776384.

The previous prime is 20203131031339. The next prime is 20203131031459. The reversal of 20203131031444 is 44413013130202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3279040099344 + 16924090932100 = 1810812^2 + 4113890^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3006442 + ... + 7031710.

It is an arithmetic number, because the mean of its divisors is an integer number (1481864910435).

Almost surely, 2^{20203131031444} is an apocalyptic number.

It is an amenable number.

20203131031444 is a deficient number, since it is larger than the sum of its proper divisors (15361626818996).

20203131031444 is a wasteful number, since it uses less digits than its factorization.

20203131031444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032699 (or 4032697 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20203131031444 its reverse (44413013130202), we get a palindrome (64616144161646).

The spelling of 20203131031444 in words is "twenty trillion, two hundred three billion, one hundred thirty-one million, thirty-one thousand, four hundred forty-four".