30472985101 has 4 divisors (see below), whose sum is σ = 32817060892. Its totient is φ = 28128909312.

The previous prime is 30472985077. The next prime is 30472985111. The reversal of 30472985101 is 10158927403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13519643076 + 16953342025 = 116274^2 + 130205^2 .

It is a cyclic number.

It is not a de Polignac number, because 30472985101 - 2⁹ = 30472984589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30472985111) 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, 1172037876 + ... + 1172037901.

It is an arithmetic number, because the mean of its divisors is an integer number (8204265223).

Almost surely, 2^30472985101 is an apocalyptic number.

It is an amenable number.

30472985101 is a deficient number, since it is larger than the sum of its proper divisors (2344075791).

30472985101 is a wasteful number, since it uses less digits than its factorization.

30472985101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344075790.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 30472985101 in words is "thirty billion, four hundred seventy-two million, nine hundred eighty-five thousand, one hundred one".