2031453305344 has 80 divisors (see below), whose sum is σ = 4223515177728. Its totient is φ = 975357939712.

The previous prime is 2031453305339. The next prime is 2031453305347. The reversal of 2031453305344 is 4435033541302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2031453305347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478989 + ... + 2071795.

Almost surely, 2^{2031453305344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031453305344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2111757588864).

2031453305344 is an abundant number, since it is smaller than the sum of its proper divisors (2192061872384).

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

2031453305344 is an equidigital number, since it uses as much as digits as its factorization.

2031453305344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592925 (or 1592909 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 2031453305344 its reverse (4435033541302), we get a palindrome (6466486846646).

The spelling of 2031453305344 in words is "two trillion, thirty-one billion, four hundred fifty-three million, three hundred five thousand, three hundred forty-four".