32120231 has 8 divisors (see below), whose sum is σ = 37735824. Its totient is φ = 26953920.

The previous prime is 32120161. The next prime is 32120233. The reversal of 32120231 is 13202123.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 32120231 - 2¹⁸ = 31858087 is a prime.

It is a super-2 number, since 2×32120231² = 2063418478986722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120233) 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, 112166 + ... + 112451.

It is an arithmetic number, because the mean of its divisors is an integer number (4716978).

Almost surely, 2^32120231 is an apocalyptic number.

32120231 is a deficient number, since it is larger than the sum of its proper divisors (5615593).

32120231 is a wasteful number, since it uses less digits than its factorization.

32120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224641.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 32120231 is about 5667.4713056177. The cubic root of 32120231 is about 317.8773276557.

Adding to 32120231 its reverse (13202123), we get a palindrome (45322354).

The spelling of 32120231 in words is "thirty-two million, one hundred twenty thousand, two hundred thirty-one".