30113199973 has 2 divisors, whose sum is σ = 30113199974. Its totient is φ = 30113199972.

The previous prime is 30113199947. The next prime is 30113199989. The reversal of 30113199973 is 37999131103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26707076929 + 3406123044 = 163423^2 + 58362^2 .

It is an emirp because it is prime and its reverse (37999131103) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30113199973 is a prime.

It is a super-2 number, since 2×30113199973² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30113199943) 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 as a sum of consecutive naturals, namely, 15056599986 + 15056599987.

It is an arithmetic number, because the mean of its divisors is an integer number (15056599987).

Almost surely, 2^30113199973 is an apocalyptic number.

It is an amenable number.

30113199973 is a deficient number, since it is larger than the sum of its proper divisors (1).

30113199973 is an equidigital number, since it uses as much as digits as its factorization.

30113199973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137781, while the sum is 46.

It can be divided in two parts, 301131 and 99973, that added together give a palindrome (401104).

The spelling of 30113199973 in words is "thirty billion, one hundred thirteen million, one hundred ninety-nine thousand, nine hundred seventy-three".