30111103013 has 4 divisors (see below), whose sum is σ = 31149416940. Its totient is φ = 29072789088.

The previous prime is 30111102961. The next prime is 30111103021. The reversal of 30111103013 is 31030111103.

It is a happy number.

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 19216336129 + 10894766884 = 138623^2 + 104378^2 .

It is a cyclic number.

It is not a de Polignac number, because 30111103013 - 2²² = 30106908709 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 (30111103063) 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, 519156920 + ... + 519156977.

It is an arithmetic number, because the mean of its divisors is an integer number (7787354235).

Almost surely, 2^30111103013 is an apocalyptic number.

It is an amenable number.

30111103013 is a deficient number, since it is larger than the sum of its proper divisors (1038313927).

30111103013 is a wasteful number, since it uses less digits than its factorization.

30111103013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038313926.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 30111103013 its reverse (31030111103), we get a palindrome (61141214116).

The spelling of 30111103013 in words is "thirty billion, one hundred eleven million, one hundred three thousand, thirteen".