30800172308 has 12 divisors (see below), whose sum is σ = 53961488532. Its totient is φ = 15382604160.

The previous prime is 30800172283. The next prime is 30800172313. The reversal of 30800172308 is 80327100803.

It can be written as a sum of positive squares in 2 ways, for example, as 3567911824 + 27232260484 = 59732^2 + 165022^2 .

It is a super-2 number, since 2×30800172308² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4366535 + ... + 4373582.

It is an arithmetic number, because the mean of its divisors is an integer number (4496790711).

Almost surely, 2^30800172308 is an apocalyptic number.

It is an amenable number.

30800172308 is a deficient number, since it is larger than the sum of its proper divisors (23161316224).

30800172308 is a wasteful number, since it uses less digits than its factorization.

30800172308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8741002 (or 8741000 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 30800172308 in words is "thirty billion, eight hundred million, one hundred seventy-two thousand, three hundred eight".