305061146230431 has 4 divisors (see below), whose sum is σ = 406748194973912. Its totient is φ = 203374097486952.

The previous prime is 305061146230417. The next prime is 305061146230469. The reversal of 305061146230431 is 134032641160503.

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

It is not a de Polignac number, because 305061146230431 - 2⁶ = 305061146230367 is a prime.

It is a super-2 number, since 2×305061146230431² (a number of 30 digits) contains 22 as substring.

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 305061146230431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305061146230411) 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, 50843524371736 + ... + 50843524371741.

It is an arithmetic number, because the mean of its divisors is an integer number (101687048743478).

Almost surely, 2^{305061146230431} is an apocalyptic number.

305061146230431 is a deficient number, since it is larger than the sum of its proper divisors (101687048743481).

305061146230431 is a wasteful number, since it uses less digits than its factorization.

305061146230431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101687048743480.

The product of its (nonzero) digits is 155520, while the sum is 39.

Adding to 305061146230431 its reverse (134032641160503), we get a palindrome (439093787390934).

The spelling of 305061146230431 in words is "three hundred five trillion, sixty-one billion, one hundred forty-six million, two hundred thirty thousand, four hundred thirty-one".