33130030 has 8 divisors (see below), whose sum is σ = 59634072. Its totient is φ = 13252008.

The previous prime is 33130003. The next prime is 33130039. The reversal of 33130030 is 3003133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130039) 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, 1656492 + ... + 1656511.

It is an arithmetic number, because the mean of its divisors is an integer number (7454259).

Almost surely, 2^33130030 is an apocalyptic number.

33130030 is a deficient number, since it is larger than the sum of its proper divisors (26504042).

33130030 is a wasteful number, since it uses less digits than its factorization.

33130030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313010.

The product of its (nonzero) digits is 81, while the sum is 13.

The square root of 33130030 is about 5755.8691784995. The cubic root of 33130030 is about 321.1741694475.

Adding to 33130030 its reverse (3003133), we get a palindrome (36133163).

The spelling of 33130030 in words is "thirty-three million, one hundred thirty thousand, thirty".