33424131 has 8 divisors (see below), whose sum is σ = 47993680. Its totient is φ = 20568672.

The previous prime is 33424123. The next prime is 33424207. The reversal of 33424131 is 13142433.

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

It is not a de Polignac number, because 33424131 - 2³ = 33424123 is a prime.

It is a super-2 number, since 2×33424131² = 2234345066210322, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 33424098 and 33424107.

It is not an unprimeable number, because it can be changed into a prime (33424121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428476 + ... + 428553.

It is an arithmetic number, because the mean of its divisors is an integer number (5999210).

Almost surely, 2^33424131 is an apocalyptic number.

33424131 is a deficient number, since it is larger than the sum of its proper divisors (14569549).

33424131 is a wasteful number, since it uses less digits than its factorization.

33424131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857045.

The product of its digits is 864, while the sum is 21.

The square root of 33424131 is about 5781.3606529951. The cubic root of 33424131 is about 322.1217438903.

Adding to 33424131 its reverse (13142433), we get a palindrome (46566564).

The spelling of 33424131 in words is "thirty-three million, four hundred twenty-four thousand, one hundred thirty-one".