305044311453 has 128 divisors (see below), whose sum is σ = 491860131840. Its totient is φ = 164587852800.

The previous prime is 305044311443. The next prime is 305044311479. The reversal of 305044311453 is 354113440503.

It is not a de Polignac number, because 305044311453 - 2¹³ = 305044303261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305044311433) 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 127 ways as a sum of consecutive naturals, for example, 993629526 + ... + 993629832.

It is an arithmetic number, because the mean of its divisors is an integer number (3842657280).

Almost surely, 2^305044311453 is an apocalyptic number.

It is an amenable number.

305044311453 is a deficient number, since it is larger than the sum of its proper divisors (186815820387).

305044311453 is a wasteful number, since it uses less digits than its factorization.

305044311453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 305044311453 its reverse (354113440503), we get a palindrome (659157751956).

The spelling of 305044311453 in words is "three hundred five billion, forty-four million, three hundred eleven thousand, four hundred fifty-three".