30683855413 has 4 divisors (see below), whose sum is σ = 30797922060. Its totient is φ = 30569788768.

The previous prime is 30683855369. The next prime is 30683855429. The reversal of 30683855413 is 31455838603.

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 18441096804 + 12242758609 = 135798^2 + 110647^2 .

It is a cyclic number.

It is not a de Polignac number, because 30683855413 - 2¹³ = 30683847221 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 (30683855453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57032920 + ... + 57033457.

It is an arithmetic number, because the mean of its divisors is an integer number (7699480515).

Almost surely, 2^30683855413 is an apocalyptic number.

It is an amenable number.

30683855413 is a deficient number, since it is larger than the sum of its proper divisors (114066647).

30683855413 is a wasteful number, since it uses less digits than its factorization.

30683855413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114066646.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 30683855413 in words is "thirty billion, six hundred eighty-three million, eight hundred fifty-five thousand, four hundred thirteen".