30133003231 has 6 divisors (see below), whose sum is σ = 30850069560. Its totient is φ = 29432233908.

The previous prime is 30133003223. The next prime is 30133003331. The reversal of 30133003231 is 13230033103.

It is not a de Polignac number, because 30133003231 - 2³ = 30133003223 is a prime.

It is a super-2 number, since 2×30133003231² (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 = 30133003199 and 30133003208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30133003331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8146611 + ... + 8150308.

It is an arithmetic number, because the mean of its divisors is an integer number (5141678260).

Almost surely, 2^30133003231 is an apocalyptic number.

30133003231 is a deficient number, since it is larger than the sum of its proper divisors (717066329).

30133003231 is an equidigital number, since it uses as much as digits as its factorization.

30133003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16297005 (or 16296962 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 30133003231 its reverse (13230033103), we get a palindrome (43363036334).

The spelling of 30133003231 in words is "thirty billion, one hundred thirty-three million, three thousand, two hundred thirty-one".