30113212203 has 12 divisors (see below), whose sum is σ = 43505251608. Its totient is φ = 20071602720.

The previous prime is 30113212177. The next prime is 30113212229. The reversal of 30113212203 is 30221231103.

It is an interprime number because it is at equal distance from previous prime (30113212177) and next prime (30113212229).

It is not a de Polignac number, because 30113212203 - 2¹² = 30113208107 is a prime.

It is a super-2 number, since 2×30113212203² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30113210203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273018 + ... + 367103.

It is an arithmetic number, because the mean of its divisors is an integer number (3625437634).

Almost surely, 2^30113212203 is an apocalyptic number.

30113212203 is a deficient number, since it is larger than the sum of its proper divisors (13392039405).

30113212203 is a wasteful number, since it uses less digits than its factorization.

30113212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645354 (or 645351 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30113212203 its reverse (30221231103), we get a palindrome (60334443306).

The spelling of 30113212203 in words is "thirty billion, one hundred thirteen million, two hundred twelve thousand, two hundred three".