30103133031 has 16 divisors (see below), whose sum is σ = 45262867200. Its totient is φ = 19769220504.

The previous prime is 30103133029. The next prime is 30103133041. The reversal of 30103133031 is 13033130103.

30103133031 is a `hidden beast` number, since 301 + 0 + 3 + 1 + 330 + 31 = 666.

It is not a de Polignac number, because 30103133031 - 2¹ = 30103133029 is a prime.

It is a super-2 number, since 2×30103133031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30103132995 and 30103133013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103133041) 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 15 ways as a sum of consecutive naturals, for example, 8318571 + ... + 8322188.

It is an arithmetic number, because the mean of its divisors is an integer number (2828929200).

Almost surely, 2^30103133031 is an apocalyptic number.

30103133031 is a deficient number, since it is larger than the sum of its proper divisors (15159734169).

30103133031 is a wasteful number, since it uses less digits than its factorization.

30103133031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16640835 (or 16640829 counting only the distinct ones).

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

Adding to 30103133031 its reverse (13033130103), we get a palindrome (43136263134).

The spelling of 30103133031 in words is "thirty billion, one hundred three million, one hundred thirty-three thousand, thirty-one".