33231097 has 4 divisors (see below), whose sum is σ = 33541776. Its totient is φ = 32920420.

The previous prime is 33231089. The next prime is 33231109. The reversal of 33231097 is 79013233.

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 not a de Polignac number, because 33231097 - 2³ = 33231089 is a prime.

It is a super-2 number, since 2×33231097² = 2208611615646818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33231017) 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, 155179 + ... + 155392.

It is an arithmetic number, because the mean of its divisors is an integer number (8385444).

Almost surely, 2^33231097 is an apocalyptic number.

It is an amenable number.

33231097 is a deficient number, since it is larger than the sum of its proper divisors (310679).

33231097 is a wasteful number, since it uses less digits than its factorization.

33231097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310678.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 33231097 is about 5764.6419663323. The cubic root of 33231097 is about 321.5004309272.

The spelling of 33231097 in words is "thirty-three million, two hundred thirty-one thousand, ninety-seven".