30131113203 has 24 divisors (see below), whose sum is σ = 43646085600. Its totient is φ = 20030540544.

The previous prime is 30131113151. The next prime is 30131113211. The reversal of 30131113203 is 30231113103.

It is a happy number.

30131113203 is a `hidden beast` number, since 30 + 1 + 311 + 1 + 320 + 3 = 666.

It is not a de Polignac number, because 30131113203 - 2³³ = 21541178611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30131113213) 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 23 ways as a sum of consecutive naturals, for example, 9329793 + ... + 9333021.

It is an arithmetic number, because the mean of its divisors is an integer number (1818586900).

Almost surely, 2^30131113203 is an apocalyptic number.

30131113203 is a deficient number, since it is larger than the sum of its proper divisors (13514972397).

30131113203 is a wasteful number, since it uses less digits than its factorization.

30131113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851 (or 5848 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30131113203 its reverse (30231113103), we get a palindrome (60362226306).

The spelling of 30131113203 in words is "thirty billion, one hundred thirty-one million, one hundred thirteen thousand, two hundred three".