201131310671 has 2 divisors, whose sum is σ = 201131310672. Its totient is φ = 201131310670.

The previous prime is 201131310659. The next prime is 201131310689. The reversal of 201131310671 is 176013131102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201131310671 - 2¹⁸ = 201131048527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201131310671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201131313671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100565655335 + 100565655336.

It is an arithmetic number, because the mean of its divisors is an integer number (100565655336).

Almost surely, 2^201131310671 is an apocalyptic number.

201131310671 is a deficient number, since it is larger than the sum of its proper divisors (1).

201131310671 is an equidigital number, since it uses as much as digits as its factorization.

201131310671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

Adding to 201131310671 its reverse (176013131102), we get a palindrome (377144441773).

The spelling of 201131310671 in words is "two hundred one billion, one hundred thirty-one million, three hundred ten thousand, six hundred seventy-one".