30747271801 has 3 divisors (see below), whose sum is σ = 30747447151. Its totient is φ = 30747096452.

The previous prime is 30747271771. The next prime is 30747271823. The reversal of 30747271801 is 10817274703.

The square root of 30747271801 is 175349.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10817274703 = 5659 ⋅1911517.

It can be written as a sum of positive squares in only one way, i.e., 30310461801 + 436810000 = 174099^2 + 20900^2 .

It is not a de Polignac number, because 30747271801 - 2⁷ = 30747271673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30747271201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 87675 + ... + 263023.

Almost surely, 2^30747271801 is an apocalyptic number.

30747271801 is the 175349-th square number.

30747271801 is the 87675-th centered octagonal number.

It is an amenable number.

30747271801 is a deficient number, since it is larger than the sum of its proper divisors (175350).

30747271801 is an frugal number, since it uses more digits than its factorization.

30747271801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350698 (or 175349 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The spelling of 30747271801 in words is "thirty billion, seven hundred forty-seven million, two hundred seventy-one thousand, eight hundred one".