30900103 has 16 divisors (see below), whose sum is σ = 34384896. Its totient is φ = 27588960.

The previous prime is 30900091. The next prime is 30900127. The reversal of 30900103 is 30100903.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30900103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30900193) 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, 62688 + ... + 63178.

It is an arithmetic number, because the mean of its divisors is an integer number (2149056).

Almost surely, 2^30900103 is an apocalyptic number.

30900103 is a deficient number, since it is larger than the sum of its proper divisors (3484793).

30900103 is a wasteful number, since it uses less digits than its factorization.

30900103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 30900103 is about 5558.7861084953. The cubic root of 30900103 is about 313.8002671798.

The spelling of 30900103 in words is "thirty million, nine hundred thousand, one hundred three".