30033012031 has 6 divisors (see below), whose sum is σ = 33011492696. Its totient is φ = 27302738100.

The previous prime is 30033012019. The next prime is 30033012041. The reversal of 30033012031 is 13021033003.

It is not a de Polignac number, because 30033012031 - 2²⁹ = 29496141119 is a prime.

It is a super-2 number, since 2×30033012031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30033011996 and 30033012014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30033012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124103235 + ... + 124103476.

Almost surely, 2^30033012031 is an apocalyptic number.

30033012031 is a deficient number, since it is larger than the sum of its proper divisors (2978480665).

30033012031 is a wasteful number, since it uses less digits than its factorization.

30033012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248206733 (or 248206722 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 30033012031 its reverse (13021033003), we get a palindrome (43054045034).

The spelling of 30033012031 in words is "thirty billion, thirty-three million, twelve thousand, thirty-one".