201130031237 has 2 divisors, whose sum is σ = 201130031238. Its totient is φ = 201130031236.

The previous prime is 201130031189. The next prime is 201130031273. The reversal of 201130031237 is 732130031102.

Together with next prime (201130031273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125826987841 + 75303043396 = 354721^2 + 274414^2 .

It is a cyclic number.

It is not a de Polignac number, because 201130031237 - 2²⁶ = 201062922373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201130031737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100565015618 + 100565015619.

It is an arithmetic number, because the mean of its divisors is an integer number (100565015619).

Almost surely, 2^201130031237 is an apocalyptic number.

It is an amenable number.

201130031237 is a deficient number, since it is larger than the sum of its proper divisors (1).

201130031237 is an equidigital number, since it uses as much as digits as its factorization.

201130031237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 201130031237 its reverse (732130031102), we get a palindrome (933260062339).

The spelling of 201130031237 in words is "two hundred one billion, one hundred thirty million, thirty-one thousand, two hundred thirty-seven".