30103110031013 has 4 divisors (see below), whose sum is σ = 30103656689868. Its totient is φ = 30102563372160.

The previous prime is 30103110030923. The next prime is 30103110031019. The reversal of 30103110031013 is 31013001130103.

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 26133699324769 + 3969410706244 = 5112113^2 + 1992338^2 .

It is a cyclic number.

It is not a de Polignac number, because 30103110031013 - 2⁸ = 30103110030757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30103110030982 and 30103110031000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103110031019) 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, 273246818 + ... + 273356963.

It is an arithmetic number, because the mean of its divisors is an integer number (7525914172467).

Almost surely, 2^{30103110031013} is an apocalyptic number.

It is an amenable number.

30103110031013 is a deficient number, since it is larger than the sum of its proper divisors (546658855).

30103110031013 is an equidigital number, since it uses as much as digits as its factorization.

30103110031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546658854.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 30103110031013 its reverse (31013001130103), we get a palindrome (61116111161116).

The spelling of 30103110031013 in words is "thirty trillion, one hundred three billion, one hundred ten million, thirty-one thousand, thirteen".