30312202103 has 2 divisors, whose sum is σ = 30312202104. Its totient is φ = 30312202102.

The previous prime is 30312202099. The next prime is 30312202111. The reversal of 30312202103 is 30120221303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30312202103 - 2² = 30312202099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30312202703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156101051 + 15156101052.

It is an arithmetic number, because the mean of its divisors is an integer number (15156101052).

Almost surely, 2^30312202103 is an apocalyptic number.

30312202103 is a deficient number, since it is larger than the sum of its proper divisors (1).

30312202103 is an equidigital number, since it uses as much as digits as its factorization.

30312202103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30312202103 its reverse (30120221303), we get a palindrome (60432423406).

The spelling of 30312202103 in words is "thirty billion, three hundred twelve million, two hundred two thousand, one hundred three".