30575303057 has 6 divisors (see below), whose sum is σ = 33108168582. Its totient is φ = 28223356512.

The previous prime is 30575303053. The next prime is 30575303089. The reversal of 30575303057 is 75030357503.

It can be written as a sum of positive squares in 3 ways, for example, as 1361314816 + 29213988241 = 36896^2 + 170921^2 .

It is not a de Polignac number, because 30575303057 - 2² = 30575303053 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 30575303057.

It is not an unprimeable number, because it can be changed into a prime (30575303053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90459308 + ... + 90459645.

It is an arithmetic number, because the mean of its divisors is an integer number (5518028097).

Almost surely, 2^30575303057 is an apocalyptic number.

It is an amenable number.

30575303057 is a deficient number, since it is larger than the sum of its proper divisors (2532865525).

30575303057 is a wasteful number, since it uses less digits than its factorization.

30575303057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180918979 (or 180918966 counting only the distinct ones).

The product of its (nonzero) digits is 165375, while the sum is 38.

The spelling of 30575303057 in words is "thirty billion, five hundred seventy-five million, three hundred three thousand, fifty-seven".