30311330103 has 12 divisors (see below), whose sum is σ = 43791876648. Its totient is φ = 20203471440.

The previous prime is 30311330039. The next prime is 30311330209. The reversal of 30311330103 is 30103311303.

It is not a de Polignac number, because 30311330103 - 2⁶ = 30311330039 is a prime.

It is a super-2 number, since 2×30311330103² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311330003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292788 + ... + 382553.

It is an arithmetic number, because the mean of its divisors is an integer number (3649323054).

Almost surely, 2^30311330103 is an apocalyptic number.

30311330103 is a deficient number, since it is larger than the sum of its proper divisors (13480546545).

30311330103 is a wasteful number, since it uses less digits than its factorization.

30311330103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680334 (or 680331 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

Adding to 30311330103 its reverse (30103311303), we get a palindrome (60414641406).

The spelling of 30311330103 in words is "thirty billion, three hundred eleven million, three hundred thirty thousand, one hundred three".