31233201 has 8 divisors (see below), whose sum is σ = 41675040. Its totient is φ = 20806752.

The previous prime is 31233121. The next prime is 31233221. The reversal of 31233201 is 10233213.

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

It is not a de Polignac number, because 31233201 - 2⁷ = 31233073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31233221) 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 7 ways as a sum of consecutive naturals, for example, 2290 + ... + 8228.

It is an arithmetic number, because the mean of its divisors is an integer number (5209380).

Almost surely, 2^31233201 is an apocalyptic number.

It is an amenable number.

31233201 is a deficient number, since it is larger than the sum of its proper divisors (10441839).

31233201 is a wasteful number, since it uses less digits than its factorization.

31233201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7695.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 31233201 is about 5588.6671935266. The cubic root of 31233201 is about 314.9238112538.

Adding to 31233201 its reverse (10233213), we get a palindrome (41466414).

The spelling of 31233201 in words is "thirty-one million, two hundred thirty-three thousand, two hundred one".