33131141 has 4 divisors (see below), whose sum is σ = 33237984. Its totient is φ = 33024300.

The previous prime is 33131107. The next prime is 33131149. The reversal of 33131141 is 14113133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33131141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33131149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52955 + ... + 53576.

It is an arithmetic number, because the mean of its divisors is an integer number (8309496).

Almost surely, 2^33131141 is an apocalyptic number.

It is an amenable number.

33131141 is a deficient number, since it is larger than the sum of its proper divisors (106843).

33131141 is a wasteful number, since it uses less digits than its factorization.

33131141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106842.

The product of its digits is 108, while the sum is 17.

The square root of 33131141 is about 5755.9656878755. The cubic root of 33131141 is about 321.1777595490.

Adding to 33131141 its reverse (14113133), we get a palindrome (47244274).

The spelling of 33131141 in words is "thirty-three million, one hundred thirty-one thousand, one hundred forty-one".