305305031115162 has 160 divisors (see below), whose sum is σ = 739192510968912. Its totient is φ = 93626635124736.

The previous prime is 305305031115157. The next prime is 305305031115187. The reversal of 305305031115162 is 261511130503503.

305305031115162 is a `hidden beast` number, since 3 + 0 + 5 + 30 + 503 + 1 + 11 + 51 + 62 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 59380879398201 + 245924151716961 = 7705899^2 + 15681969^2 .

It is a super-2 number, since 2×305305031115162² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1953786538 + ... + 1953942794.

Almost surely, 2^{305305031115162} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305305031115162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369596255484456).

305305031115162 is an abundant number, since it is smaller than the sum of its proper divisors (433887479853750).

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

305305031115162 is a wasteful number, since it uses less digits than its factorization.

305305031115162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159374 (or 159365 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

Adding to 305305031115162 its reverse (261511130503503), we get a palindrome (566816161618665).

The spelling of 305305031115162 in words is "three hundred five trillion, three hundred five billion, thirty-one million, one hundred fifteen thousand, one hundred sixty-two".