305135531223 has 8 divisors (see below), whose sum is σ = 407980656000. Its totient is φ = 202857046968.

The previous prime is 305135531209. The next prime is 305135531231. The reversal of 305135531223 is 322135531503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 305135531223 - 2⁵ = 305135531191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305135530223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141658873 + ... + 141661026.

It is an arithmetic number, because the mean of its divisors is an integer number (50997582000).

Almost surely, 2^305135531223 is an apocalyptic number.

305135531223 is a deficient number, since it is larger than the sum of its proper divisors (102845124777).

305135531223 is a wasteful number, since it uses less digits than its factorization.

305135531223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283320261.

The product of its (nonzero) digits is 40500, while the sum is 33.

The spelling of 305135531223 in words is "three hundred five billion, one hundred thirty-five million, five hundred thirty-one thousand, two hundred twenty-three".