33130234 has 4 divisors (see below), whose sum is σ = 49695354. Its totient is φ = 16565116.

The previous prime is 33130231. The next prime is 33130241. The reversal of 33130234 is 43203133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43203133 = 653 ⋅66161.

It can be written as a sum of positive squares in only one way, i.e., 18037009 + 15093225 = 4247^2 + 3885^2 .

It is a super-2 number, since 2×33130234² = 2195224809789512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33130231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8282557 + ... + 8282560.

Almost surely, 2^33130234 is an apocalyptic number.

33130234 is a deficient number, since it is larger than the sum of its proper divisors (16565120).

33130234 is a wasteful number, since it uses less digits than its factorization.

33130234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16565119.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 33130234 is about 5755.8868995143. The cubic root of 33130234 is about 321.1748286621.

Adding to 33130234 its reverse (43203133), we get a palindrome (76333367).

The spelling of 33130234 in words is "thirty-three million, one hundred thirty thousand, two hundred thirty-four".