33055131 has 4 divisors (see below), whose sum is σ = 44073512. Its totient is φ = 22036752.

The previous prime is 33055129. The next prime is 33055133. The reversal of 33055131 is 13155033.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (33055129) and next prime (33055133).

It is not a de Polignac number, because 33055131 - 2¹ = 33055129 is a prime.

It is a super-2 number, since 2×33055131² = 2185283370854322, 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 = 33055098 and 33055107.

It is not an unprimeable number, because it can be changed into a prime (33055133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5509186 + ... + 5509191.

It is an arithmetic number, because the mean of its divisors is an integer number (11018378).

Almost surely, 2^33055131 is an apocalyptic number.

33055131 is a deficient number, since it is larger than the sum of its proper divisors (11018381).

33055131 is a wasteful number, since it uses less digits than its factorization.

33055131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11018380.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 33055131 is about 5749.3591816828. The cubic root of 33055131 is about 320.9319544047.

The spelling of 33055131 in words is "thirty-three million, fifty-five thousand, one hundred thirty-one".