201131310587 has 2 divisors, whose sum is σ = 201131310588. Its totient is φ = 201131310586.

The previous prime is 201131310581. The next prime is 201131310659. The reversal of 201131310587 is 785013131102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201131310587 - 2³⁴ = 183951441403 is a prime.

It is not a weakly prime, because it can be changed into another prime (201131310581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100565655293 + 100565655294.

It is an arithmetic number, because the mean of its divisors is an integer number (100565655294).

Almost surely, 2^201131310587 is an apocalyptic number.

201131310587 is a deficient number, since it is larger than the sum of its proper divisors (1).

201131310587 is an equidigital number, since it uses as much as digits as its factorization.

201131310587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

Adding to 201131310587 its reverse (785013131102), we get a palindrome (986144441689).

The spelling of 201131310587 in words is "two hundred one billion, one hundred thirty-one million, three hundred ten thousand, five hundred eighty-seven".