30221312103 has 24 divisors (see below), whose sum is σ = 45160132368. Its totient is φ = 19459896192.

The previous prime is 30221312101. The next prime is 30221312123. The reversal of 30221312103 is 30121312203.

30221312103 is a `hidden beast` number, since 30 + 221 + 312 + 103 = 666.

It is not a de Polignac number, because 30221312103 - 2¹ = 30221312101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221312101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285601 + ... + 376842.

It is an arithmetic number, because the mean of its divisors is an integer number (1881672182).

Almost surely, 2^30221312103 is an apocalyptic number.

30221312103 is a deficient number, since it is larger than the sum of its proper divisors (14938820265).

30221312103 is a wasteful number, since it uses less digits than its factorization.

30221312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662623 (or 662620 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30221312103 its reverse (30121312203), we get a palindrome (60342624306).

The spelling of 30221312103 in words is "thirty billion, two hundred twenty-one million, three hundred twelve thousand, one hundred three".