2131771095 has 64 divisors (see below), whose sum is σ = 3947719680. Its totient is φ = 1090454400.

The previous prime is 2131771091. The next prime is 2131771111. The reversal of 2131771095 is 5901771312.

It is not a de Polignac number, because 2131771095 - 2² = 2131771091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131771091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 351640 + ... + 357650.

It is an arithmetic number, because the mean of its divisors is an integer number (61683120).

Almost surely, 2^2131771095 is an apocalyptic number.

2131771095 is a deficient number, since it is larger than the sum of its proper divisors (1815948585).

2131771095 is a wasteful number, since it uses less digits than its factorization.

2131771095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6133 (or 6127 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 36.

The square root of 2131771095 is about 46171.1067118821. The cubic root of 2131771095 is about 1287.0048684620.

The spelling of 2131771095 in words is "two billion, one hundred thirty-one million, seven hundred seventy-one thousand, ninety-five".