333130421 has 8 divisors (see below), whose sum is σ = 362309304. Its totient is φ = 304459200.

The previous prime is 333130307. The next prime is 333130451. The reversal of 333130421 is 124031333.

It can be written as a sum of positive squares in 4 ways, for example, as 21996100 + 311134321 = 4690^2 + 17639^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-333130421 is a prime.

It is a super-2 number, since 2×333130421² = 221951754791274482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 333130393 and 333130402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333130451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125546 + ... + 128171.

It is an arithmetic number, because the mean of its divisors is an integer number (45288663).

Almost surely, 2^333130421 is an apocalyptic number.

It is an amenable number.

333130421 is a deficient number, since it is larger than the sum of its proper divisors (29178883).

333130421 is a wasteful number, since it uses less digits than its factorization.

333130421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253831.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 333130421 is about 18251.8607544546. The cubic root of 333130421 is about 693.2205542389.

Adding to 333130421 its reverse (124031333), we get a palindrome (457161754).

The spelling of 333130421 in words is "three hundred thirty-three million, one hundred thirty thousand, four hundred twenty-one".