30301587142873 has 4 divisors (see below), whose sum is σ = 30317869566628. Its totient is φ = 30285304719120.

The previous prime is 30301587142843. The next prime is 30301587142919. The reversal of 30301587142873 is 37824178510303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5749195471504 + 24552391671369 = 2397748^2 + 4955037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30301587142873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30301587142873.

It is not an unprimeable number, because it can be changed into a prime (30301587142843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8141209086 + ... + 8141212807.

It is an arithmetic number, because the mean of its divisors is an integer number (7579467391657).

Almost surely, 2^{30301587142873} is an apocalyptic number.

It is an amenable number.

30301587142873 is a deficient number, since it is larger than the sum of its proper divisors (16282423755).

30301587142873 is a wasteful number, since it uses less digits than its factorization.

30301587142873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16282423754.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 30301587142873 in words is "thirty trillion, three hundred one billion, five hundred eighty-seven million, one hundred forty-two thousand, eight hundred seventy-three".