305342130522 has 256 divisors, whose sum is σ = 743333842944. Its totient is φ = 83084601600.

The previous prime is 305342130487. The next prime is 305342130523. The reversal of 305342130522 is 225031243503.

It is a self number, because there is not a number n which added to its sum of digits gives 305342130522.

It is not an unprimeable number, because it can be changed into a prime (305342130523) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1160996563 + ... + 1160996825.

It is an arithmetic number, because the mean of its divisors is an integer number (2903647824).

Almost surely, 2^305342130522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305342130522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371666921472).

305342130522 is an abundant number, since it is smaller than the sum of its proper divisors (437991712422).

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

305342130522 is a wasteful number, since it uses less digits than its factorization.

305342130522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 305342130522 in words is "three hundred five billion, three hundred forty-two million, one hundred thirty thousand, five hundred twenty-two".