30351321113 has 4 divisors (see below), whose sum is σ = 30381049188. Its totient is φ = 30321593040.

The previous prime is 30351321109. The next prime is 30351321191. The reversal of 30351321113 is 31112315303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31112315303 = 23 ⋅1352709361.

It can be written as a sum of positive squares in 2 ways, for example, as 6916916224 + 23434404889 = 83168^2 + 153083^2 .

It is a cyclic number.

It is not a de Polignac number, because 30351321113 - 2² = 30351321109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30351321103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14862506 + ... + 14864547.

It is an arithmetic number, because the mean of its divisors is an integer number (7595262297).

Almost surely, 2^30351321113 is an apocalyptic number.

It is an amenable number.

30351321113 is a deficient number, since it is larger than the sum of its proper divisors (29728075).

30351321113 is a wasteful number, since it uses less digits than its factorization.

30351321113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29728074.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 30351321113 its reverse (31112315303), we get a palindrome (61463636416).

The spelling of 30351321113 in words is "thirty billion, three hundred fifty-one million, three hundred twenty-one thousand, one hundred thirteen".