30133330031 has 24 divisors (see below), whose sum is σ = 36048988800. Its totient is φ = 25100781552.

The previous prime is 30133329997. The next prime is 30133330043. The reversal of 30133330031 is 13003333103.

It is not a de Polignac number, because 30133330031 - 2³⁴ = 12953460847 is a prime.

It is a super-2 number, since 2×30133330031² (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 = 30133329985 and 30133330012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30133338031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383360 + ... + 455226.

It is an arithmetic number, because the mean of its divisors is an integer number (1502041200).

Almost surely, 2^30133330031 is an apocalyptic number.

30133330031 is a deficient number, since it is larger than the sum of its proper divisors (5915658769).

30133330031 is a wasteful number, since it uses less digits than its factorization.

30133330031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72123 (or 72116 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 20.

Adding to 30133330031 its reverse (13003333103), we get a palindrome (43136663134).

The spelling of 30133330031 in words is "thirty billion, one hundred thirty-three million, three hundred thirty thousand, thirty-one".