33130434 has 16 divisors (see below), whose sum is σ = 66319200. Its totient is φ = 11033760.

The previous prime is 33130417. The next prime is 33130451. The reversal of 33130434 is 43403133.

It is an interprime number because it is at equal distance from previous prime (33130417) and next prime (33130451).

It is a self number, because there is not a number n which added to its sum of digits gives 33130434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9342 + ... + 12390.

It is an arithmetic number, because the mean of its divisors is an integer number (4144950).

Almost surely, 2^33130434 is an apocalyptic number.

33130434 is an abundant number, since it is smaller than the sum of its proper divisors (33188766).

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

33130434 is a wasteful number, since it uses less digits than its factorization.

33130434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 33130434 is about 5755.9042730052. The cubic root of 33130434 is about 321.1754749482.

Adding to 33130434 its reverse (43403133), we get a palindrome (76533567).

The spelling of 33130434 in words is "thirty-three million, one hundred thirty thousand, four hundred thirty-four".