30001031272 has 16 divisors (see below), whose sum is σ = 58697670240. Its totient is φ = 14348319216.

The previous prime is 30001031267. The next prime is 30001031273. The reversal of 30001031272 is 27213010003.

It is not an unprimeable number, because it can be changed into a prime (30001031273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81524358 + ... + 81524725.

It is an arithmetic number, because the mean of its divisors is an integer number (3668604390).

Almost surely, 2^30001031272 is an apocalyptic number.

It is an amenable number.

30001031272 is a deficient number, since it is larger than the sum of its proper divisors (28696638968).

30001031272 is a wasteful number, since it uses less digits than its factorization.

30001031272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163049112 (or 163049108 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

Adding to 30001031272 its reverse (27213010003), we get a palindrome (57214041275).

The spelling of 30001031272 in words is "thirty billion, one million, thirty-one thousand, two hundred seventy-two".