30113673221 has 2 divisors, whose sum is σ = 30113673222. Its totient is φ = 30113673220.

The previous prime is 30113673217. The next prime is 30113673251. The reversal of 30113673221 is 12237631103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23172450625 + 6941222596 = 152225^2 + 83314^2 .

It is an emirp because it is prime and its reverse (12237631103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30113673221 - 2² = 30113673217 is a prime.

It is a super-2 number, since 2×30113673221² (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 (30113673251) 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 as a sum of consecutive naturals, namely, 15056836610 + 15056836611.

It is an arithmetic number, because the mean of its divisors is an integer number (15056836611).

Almost surely, 2^30113673221 is an apocalyptic number.

It is an amenable number.

30113673221 is a deficient number, since it is larger than the sum of its proper divisors (1).

30113673221 is an equidigital number, since it uses as much as digits as its factorization.

30113673221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 30113673221 in words is "thirty billion, one hundred thirteen million, six hundred seventy-three thousand, two hundred twenty-one".