30319978201 has 4 divisors (see below), whose sum is σ = 30336030900. Its totient is φ = 30303925504.

The previous prime is 30319978189. The next prime is 30319978207. The reversal of 30319978201 is 10287991303.

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 12437602576 + 17882375625 = 111524^2 + 133725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30319978201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30319978207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8023516 + ... + 8027293.

It is an arithmetic number, because the mean of its divisors is an integer number (7584007725).

Almost surely, 2^30319978201 is an apocalyptic number.

It is an amenable number.

30319978201 is a deficient number, since it is larger than the sum of its proper divisors (16052699).

30319978201 is a wasteful number, since it uses less digits than its factorization.

30319978201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16052698.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 30319978201 in words is "thirty billion, three hundred nineteen million, nine hundred seventy-eight thousand, two hundred one".