30133020331 has 4 divisors (see below), whose sum is σ = 30133388664. Its totient is φ = 30132652000.

The previous prime is 30133020311. The next prime is 30133020367. The reversal of 30133020331 is 13302033103.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30133020331 - 2¹¹ = 30133018283 is a prime.

It is a super-2 number, since 2×30133020331² (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 = 30133020299 and 30133020308.

It is not an unprimeable number, because it can be changed into a prime (30133020301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190 + ... + 245491.

It is an arithmetic number, because the mean of its divisors is an integer number (7533347166).

Almost surely, 2^30133020331 is an apocalyptic number.

30133020331 is a deficient number, since it is larger than the sum of its proper divisors (368333).

30133020331 is a wasteful number, since it uses less digits than its factorization.

30133020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368332.

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

Adding to 30133020331 its reverse (13302033103), we get a palindrome (43435053434).

The spelling of 30133020331 in words is "thirty billion, one hundred thirty-three million, twenty thousand, three hundred thirty-one".