133231201 has 2 divisors, whose sum is σ = 133231202. Its totient is φ = 133231200.

The previous prime is 133231187. The next prime is 133231207. The reversal of 133231201 is 102132331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88341201 + 44890000 = 9399^2 + 6700^2 .

It is a cyclic number.

It is not a de Polignac number, because 133231201 - 2⁵ = 133231169 is a prime.

It is not a weakly prime, because it can be changed into another prime (133231207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66615600 + 66615601.

It is an arithmetic number, because the mean of its divisors is an integer number (66615601).

Almost surely, 2^133231201 is an apocalyptic number.

It is an amenable number.

133231201 is a deficient number, since it is larger than the sum of its proper divisors (1).

133231201 is an equidigital number, since it uses as much as digits as its factorization.

133231201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 133231201 is about 11542.5820768145. The cubic root of 133231201 is about 510.7424799918.

Adding to 133231201 its reverse (102132331), we get a palindrome (235363532).

The spelling of 133231201 in words is "one hundred thirty-three million, two hundred thirty-one thousand, two hundred one".