30213205404215 has 32 divisors (see below), whose sum is σ = 38359802880000. Its totient is φ = 22781000867328.

The previous prime is 30213205404157. The next prime is 30213205404259. The reversal of 30213205404215 is 51240450231203.

It is a cyclic number.

It is not a de Polignac number, because 30213205404215 - 2²⁰ = 30213204355639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194435882 + ... + 194591208.

It is an arithmetic number, because the mean of its divisors is an integer number (1198743840000).

Almost surely, 2^{30213205404215} is an apocalyptic number.

30213205404215 is a deficient number, since it is larger than the sum of its proper divisors (8146597475785).

30213205404215 is a wasteful number, since it uses less digits than its factorization.

30213205404215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165839.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 30213205404215 its reverse (51240450231203), we get a palindrome (81453655635418).

The spelling of 30213205404215 in words is "thirty trillion, two hundred thirteen billion, two hundred five million, four hundred four thousand, two hundred fifteen".