33031130 has 32 divisors (see below), whose sum is σ = 66251520. Its totient is φ = 11753920.

The previous prime is 33031129. The next prime is 33031133. The reversal of 33031130 is 3113033.

It is not an unprimeable number, because it can be changed into a prime (33031133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1976 + ... + 8364.

It is an arithmetic number, because the mean of its divisors is an integer number (2070360).

Almost surely, 2^33031130 is an apocalyptic number.

33031130 is an abundant number, since it is smaller than the sum of its proper divisors (33220390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33031130 is a wasteful number, since it uses less digits than its factorization.

33031130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6454.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 33031130 is about 5747.2715265594. The cubic root of 33031130 is about 320.8542604366.

Adding to 33031130 its reverse (3113033), we get a palindrome (36144163).

The spelling of 33031130 in words is "thirty-three million, thirty-one thousand, one hundred thirty".