305042231125 has 128 divisors (see below), whose sum is σ = 417477265920. Its totient is φ = 221976115200.

The previous prime is 305042231099. The next prime is 305042231171. The reversal of 305042231125 is 521132240503.

It is not a de Polignac number, because 305042231125 - 2¹⁷ = 305042100053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 305042231093 and 305042231102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1309194009 + ... + 1309194241.

It is an arithmetic number, because the mean of its divisors is an integer number (3261541140).

Almost surely, 2^305042231125 is an apocalyptic number.

It is an amenable number.

305042231125 is a deficient number, since it is larger than the sum of its proper divisors (112435034795).

305042231125 is a wasteful number, since it uses less digits than its factorization.

305042231125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 305042231125 its reverse (521132240503), we get a palindrome (826174471628).

The spelling of 305042231125 in words is "three hundred five billion, forty-two million, two hundred thirty-one thousand, one hundred twenty-five".