30301311213 has 12 divisors (see below), whose sum is σ = 43908400380. Its totient is φ = 20136332736.

The previous prime is 30301311197. The next prime is 30301311217. The reversal of 30301311213 is 31211310303.

It is a happy number.

30301311213 is a `hidden beast` number, since 30 + 301 + 311 + 21 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7615529289 + 22685781924 = 87267^2 + 150618^2 .

It is not a de Polignac number, because 30301311213 - 2⁴ = 30301311197 is a prime.

It is a super-2 number, since 2×30301311213² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30301311217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5375478 + ... + 5381111.

It is an arithmetic number, because the mean of its divisors is an integer number (3659033365).

Almost surely, 2^30301311213 is an apocalyptic number.

It is an amenable number.

30301311213 is a deficient number, since it is larger than the sum of its proper divisors (13607089167).

30301311213 is a wasteful number, since it uses less digits than its factorization.

30301311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10756908 (or 10756905 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30301311213 its reverse (31211310303), we get a palindrome (61512621516).

The spelling of 30301311213 in words is "thirty billion, three hundred one million, three hundred eleven thousand, two hundred thirteen".