30312001200103 has 32 divisors (see below), whose sum is σ = 35023144292352. Its totient is φ = 25697105280000.

The previous prime is 30312001200031. The next prime is 30312001200149. The reversal of 30312001200103 is 30100210021303.

It is not a de Polignac number, because 30312001200103 - 2²¹ = 30311999102951 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 (30312001203103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 774015843 + ... + 774055003.

It is an arithmetic number, because the mean of its divisors is an integer number (1094473259136).

Almost surely, 2^{30312001200103} is an apocalyptic number.

30312001200103 is a deficient number, since it is larger than the sum of its proper divisors (4711143092249).

30312001200103 is a wasteful number, since it uses less digits than its factorization.

30312001200103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41335.

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

Adding to 30312001200103 its reverse (30100210021303), we get a palindrome (60412211221406).

The spelling of 30312001200103 in words is "thirty trillion, three hundred twelve billion, one million, two hundred thousand, one hundred three".