30006815542103 has 4 divisors (see below), whose sum is σ = 30011733892008. Its totient is φ = 30001897192200.

The previous prime is 30006815542061. The next prime is 30006815542127. The reversal of 30006815542103 is 30124551860003.

It is a happy number.

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 30006815542103 - 2¹⁶ = 30006815476567 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 (30006815542303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2459165801 + ... + 2459178002.

It is an arithmetic number, because the mean of its divisors is an integer number (7502933473002).

Almost surely, 2^{30006815542103} is an apocalyptic number.

30006815542103 is a deficient number, since it is larger than the sum of its proper divisors (4918349905).

30006815542103 is an equidigital number, since it uses as much as digits as its factorization.

30006815542103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918349904.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 30006815542103 in words is "thirty trillion, six billion, eight hundred fifteen million, five hundred forty-two thousand, one hundred three".