30533213413 has 4 divisors (see below), whose sum is σ = 30615072268. Its totient is φ = 30451354560.

The previous prime is 30533213353. The next prime is 30533213419. The reversal of 30533213413 is 31431233503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22856299489 + 7676913924 = 151183^2 + 87618^2 .

It is a cyclic number.

It is not a de Polignac number, because 30533213413 - 2⁹ = 30533212901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30533213419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40928868 + ... + 40929613.

It is an arithmetic number, because the mean of its divisors is an integer number (7653768067).

Almost surely, 2^30533213413 is an apocalyptic number.

It is an amenable number.

30533213413 is a deficient number, since it is larger than the sum of its proper divisors (81858855).

30533213413 is an equidigital number, since it uses as much as digits as its factorization.

30533213413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81858854.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 30533213413 its reverse (31431233503), we get a palindrome (61964446916).

The spelling of 30533213413 in words is "thirty billion, five hundred thirty-three million, two hundred thirteen thousand, four hundred thirteen".