30031220103 has 16 divisors (see below), whose sum is σ = 43431093216. Its totient is φ = 18383528960.

The previous prime is 30031220047. The next prime is 30031220117. The reversal of 30031220103 is 30102213003.

It is a cyclic number.

It is not a de Polignac number, because 30031220103 - 2⁶ = 30031220039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031220143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7178976 + ... + 7183157.

It is an arithmetic number, because the mean of its divisors is an integer number (2714443326).

Almost surely, 2^30031220103 is an apocalyptic number.

30031220103 is a deficient number, since it is larger than the sum of its proper divisors (13399873113).

30031220103 is a wasteful number, since it uses less digits than its factorization.

30031220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14362194.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30031220103 its reverse (30102213003), we get a palindrome (60133433106).

The spelling of 30031220103 in words is "thirty billion, thirty-one million, two hundred twenty thousand, one hundred three".