30741207215 has 4 divisors (see below), whose sum is σ = 36889448664. Its totient is φ = 24592965768.

The previous prime is 30741207193. The next prime is 30741207227. The reversal of 30741207215 is 51270214703.

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

It is a cyclic number.

It is not a de Polignac number, because 30741207215 - 2²⁰ = 30740158639 is a prime.

It is a super-3 number, since 3×30741207215³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3074120717 + ... + 3074120726.

It is an arithmetic number, because the mean of its divisors is an integer number (9222362166).

Almost surely, 2^30741207215 is an apocalyptic number.

30741207215 is a deficient number, since it is larger than the sum of its proper divisors (6148241449).

30741207215 is an equidigital number, since it uses as much as digits as its factorization.

30741207215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148241448.

The product of its (nonzero) digits is 11760, while the sum is 32.

The spelling of 30741207215 in words is "thirty billion, seven hundred forty-one million, two hundred seven thousand, two hundred fifteen".