305532030231 has 12 divisors (see below), whose sum is σ = 441334330008. Its totient is φ = 203683272624.

The previous prime is 305532030229. The next prime is 305532030257. The reversal of 305532030231 is 132030235503.

305532030231 is a `hidden beast` number, since 3 + 0 + 5 + 5 + 320 + 302 + 31 = 666.

It is not a de Polignac number, because 305532030231 - 2¹ = 305532030229 is a prime.

It is a super-2 number, since 2×305532030231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 305532030195 and 305532030204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305532030131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36841 + ... + 782573.

It is an arithmetic number, because the mean of its divisors is an integer number (36777860834).

Almost surely, 2^305532030231 is an apocalyptic number.

305532030231 is a deficient number, since it is larger than the sum of its proper divisors (135802299777).

305532030231 is a wasteful number, since it uses less digits than its factorization.

305532030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791262 (or 791259 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

Adding to 305532030231 its reverse (132030235503), we get a palindrome (437562265734).

The spelling of 305532030231 in words is "three hundred five billion, five hundred thirty-two million, thirty thousand, two hundred thirty-one".