32331161 has 4 divisors (see below), whose sum is σ = 34233012. Its totient is φ = 30429312.

The previous prime is 32331157. The next prime is 32331191. The reversal of 32331161 is 16113323.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22992025 + 9339136 = 4795^2 + 3056^2 .

It is a cyclic number.

It is not a de Polignac number, because 32331161 - 2² = 32331157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32331121) 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, 950900 + ... + 950933.

It is an arithmetic number, because the mean of its divisors is an integer number (8558253).

Almost surely, 2^32331161 is an apocalyptic number.

It is an amenable number.

32331161 is a deficient number, since it is larger than the sum of its proper divisors (1901851).

32331161 is a wasteful number, since it uses less digits than its factorization.

32331161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901850.

The product of its digits is 324, while the sum is 20.

The square root of 32331161 is about 5686.0496832159. The cubic root of 32331161 is about 318.5716317966.

Adding to 32331161 its reverse (16113323), we get a palindrome (48444484).

The spelling of 32331161 in words is "thirty-two million, three hundred thirty-one thousand, one hundred sixty-one".