30303312213 has 16 divisors (see below), whose sum is σ = 41575057920. Its totient is φ = 19622137584.

The previous prime is 30303312191. The next prime is 30303312227. The reversal of 30303312213 is 31221330303.

It is not a de Polignac number, because 30303312213 - 2¹⁷ = 30303181141 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30303312213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303312253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633081 + ... + 679262.

It is an arithmetic number, because the mean of its divisors is an integer number (2598441120).

Almost surely, 2^30303312213 is an apocalyptic number.

It is an amenable number.

30303312213 is a deficient number, since it is larger than the sum of its proper divisors (11271745707).

30303312213 is a wasteful number, since it uses less digits than its factorization.

30303312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312568.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30303312213 its reverse (31221330303), we get a palindrome (61524642516).

The spelling of 30303312213 in words is "thirty billion, three hundred three million, three hundred twelve thousand, two hundred thirteen".