131412233 has 6 divisors (see below), whose sum is σ = 132152202. Its totient is φ = 130674000.

The previous prime is 131412223. The next prime is 131412247. The reversal of 131412233 is 332214131.

It can be written as a sum of positive squares in only one way, i.e., 95316169 + 36096064 = 9763^2 + 6008^2 .

It is not a de Polignac number, because 131412233 - 2⁴ = 131412217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131412223) 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 5 ways as a sum of consecutive naturals, for example, 174608 + ... + 175358.

It is an arithmetic number, because the mean of its divisors is an integer number (22025367).

Almost surely, 2^131412233 is an apocalyptic number.

It is an amenable number.

131412233 is a deficient number, since it is larger than the sum of its proper divisors (739969).

131412233 is an frugal number, since it uses more digits than its factorization.

131412233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735 (or 984 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 131412233 is about 11463.5174793778. The cubic root of 131412233 is about 508.4074801693.

Adding to 131412233 its reverse (332214131), we get a palindrome (463626364).

The spelling of 131412233 in words is "one hundred thirty-one million, four hundred twelve thousand, two hundred thirty-three".