201131347 has 2 divisors, whose sum is σ = 201131348. Its totient is φ = 201131346.

The previous prime is 201131341. The next prime is 201131351. The reversal of 201131347 is 743131102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201131347 - 2⁷ = 201131219 is a prime.

It is not a weakly prime, because it can be changed into another prime (201131341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100565673 + 100565674.

It is an arithmetic number, because the mean of its divisors is an integer number (100565674).

Almost surely, 2^201131347 is an apocalyptic number.

201131347 is a deficient number, since it is larger than the sum of its proper divisors (1).

201131347 is an equidigital number, since it uses as much as digits as its factorization.

201131347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 201131347 is about 14182.0783737786. The cubic root of 201131347 is about 585.9041678371.

Adding to 201131347 its reverse (743131102), we get a palindrome (944262449).

The spelling of 201131347 in words is "two hundred one million, one hundred thirty-one thousand, three hundred forty-seven".