30031222211 has 8 divisors (see below), whose sum is σ = 31799802384. Its totient is φ = 28262868480.

The previous prime is 30031222183. The next prime is 30031222267. The reversal of 30031222211 is 11222213003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30031222211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30031222211.

It is not an unprimeable number, because it can be changed into a prime (30031222271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270491 + ... + 365003.

It is an arithmetic number, because the mean of its divisors is an integer number (3974975298).

Almost surely, 2^30031222211 is an apocalyptic number.

30031222211 is a deficient number, since it is larger than the sum of its proper divisors (1768580173).

30031222211 is a wasteful number, since it uses less digits than its factorization.

30031222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113221.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30031222211 its reverse (11222213003), we get a palindrome (41253435214).

The spelling of 30031222211 in words is "thirty billion, thirty-one million, two hundred twenty-two thousand, two hundred eleven".