30201232273 has 2 divisors, whose sum is σ = 30201232274. Its totient is φ = 30201232272.

The previous prime is 30201232267. The next prime is 30201232379. The reversal of 30201232273 is 37223210203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15757278784 + 14443953489 = 125528^2 + 120183^2 .

It is an emirp because it is prime and its reverse (37223210203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30201232273 is a prime.

It is a super-2 number, since 2×30201232273² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30201232073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15100616136 + 15100616137.

It is an arithmetic number, because the mean of its divisors is an integer number (15100616137).

Almost surely, 2^30201232273 is an apocalyptic number.

It is an amenable number.

30201232273 is a deficient number, since it is larger than the sum of its proper divisors (1).

30201232273 is an equidigital number, since it uses as much as digits as its factorization.

30201232273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

Adding to 30201232273 its reverse (37223210203), we get a palindrome (67424442476).

The spelling of 30201232273 in words is "thirty billion, two hundred one million, two hundred thirty-two thousand, two hundred seventy-three".