30200781172 has 24 divisors (see below), whose sum is σ = 52955098560. Its totient is φ = 15070781760.

The previous prime is 30200781161. The next prime is 30200781209. The reversal of 30200781172 is 27118700203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7848553 + ... + 7852399.

It is an arithmetic number, because the mean of its divisors is an integer number (2206462440).

Almost surely, 2^30200781172 is an apocalyptic number.

It is an amenable number.

30200781172 is a deficient number, since it is larger than the sum of its proper divisors (22754317388).

30200781172 is a wasteful number, since it uses less digits than its factorization.

30200781172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7191 (or 7189 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The spelling of 30200781172 in words is "thirty billion, two hundred million, seven hundred eighty-one thousand, one hundred seventy-two".