33030120231 has 12 divisors (see below), whose sum is σ = 48382148880. Its totient is φ = 21709937760.

The previous prime is 33030120197. The next prime is 33030120247. The reversal of 33030120231 is 13202103033.

33030120231 is a `hidden beast` number, since 330 + 301 + 2 + 0 + 2 + 31 = 666.

It is not a de Polignac number, because 33030120231 - 2¹¹ = 33030118183 is a prime.

It is a super-2 number, since 2×33030120231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33030120931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25844526 + ... + 25845803.

It is an arithmetic number, because the mean of its divisors is an integer number (4031845740).

Almost surely, 2^33030120231 is an apocalyptic number.

33030120231 is a deficient number, since it is larger than the sum of its proper divisors (15352028649).

33030120231 is a wasteful number, since it uses less digits than its factorization.

33030120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51690406 (or 51690403 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 33030120231 its reverse (13202103033), we get a palindrome (46232223264).

The spelling of 33030120231 in words is "thirty-three billion, thirty million, one hundred twenty thousand, two hundred thirty-one".