201095512831 has 2 divisors, whose sum is σ = 201095512832. Its totient is φ = 201095512830.

The previous prime is 201095512829. The next prime is 201095512847. The reversal of 201095512831 is 138215590102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201095512831 - 2¹ = 201095512829 is a prime.

It is a super-2 number, since 2×201095512831² (a number of 23 digits) contains 22 as substring.

Together with 201095512829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201095513831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100547756415 + 100547756416.

It is an arithmetic number, because the mean of its divisors is an integer number (100547756416).

Almost surely, 2^201095512831 is an apocalyptic number.

201095512831 is a deficient number, since it is larger than the sum of its proper divisors (1).

201095512831 is an equidigital number, since it uses as much as digits as its factorization.

201095512831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 201095512831 in words is "two hundred one billion, ninety-five million, five hundred twelve thousand, eight hundred thirty-one".