30111120309 has 4 divisors (see below), whose sum is σ = 40148160416. Its totient is φ = 20074080204.

The previous prime is 30111120293. The next prime is 30111120311. The reversal of 30111120309 is 90302111103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30111120309 - 2⁴ = 30111120293 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 (30111120209) 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, 5018520049 + ... + 5018520054.

It is an arithmetic number, because the mean of its divisors is an integer number (10037040104).

Almost surely, 2^30111120309 is an apocalyptic number.

It is an amenable number.

30111120309 is a deficient number, since it is larger than the sum of its proper divisors (10037040107).

30111120309 is a wasteful number, since it uses less digits than its factorization.

30111120309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037040106.

The product of its (nonzero) digits is 162, while the sum is 21.

The spelling of 30111120309 in words is "thirty billion, one hundred eleven million, one hundred twenty thousand, three hundred nine".