30312012103 has 8 divisors (see below), whose sum is σ = 30863370960. Its totient is φ = 29761906560.

The previous prime is 30312012079. The next prime is 30312012161. The reversal of 30312012103 is 30121021303.

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

It is a cyclic number.

It is not a de Polignac number, because 30312012103 - 2²⁹ = 29775141191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312012193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264450 + ... + 361327.

It is an arithmetic number, because the mean of its divisors is an integer number (3857921370).

Almost surely, 2^30312012103 is an apocalyptic number.

30312012103 is a deficient number, since it is larger than the sum of its proper divisors (551358857).

30312012103 is an equidigital number, since it uses as much as digits as its factorization.

30312012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626657.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30312012103 its reverse (30121021303), we get a palindrome (60433033406).

The spelling of 30312012103 in words is "thirty billion, three hundred twelve million, twelve thousand, one hundred three".