2131870167 has 48 divisors (see below), whose sum is σ = 3710536960. Its totient is φ = 1152216576.

The previous prime is 2131870157. The next prime is 2131870241. The reversal of 2131870167 is 7610781312.

It is not a de Polignac number, because 2131870167 - 2⁸ = 2131869911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131870157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1055943 + ... + 1057959.

Almost surely, 2^2131870167 is an apocalyptic number.

2131870167 is a deficient number, since it is larger than the sum of its proper divisors (1578666793).

2131870167 is a wasteful number, since it uses less digits than its factorization.

2131870167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 2131870167 is about 46172.1795781832. The cubic root of 2131870167 is about 1287.0248055887.

The spelling of 2131870167 in words is "two billion, one hundred thirty-one million, eight hundred seventy thousand, one hundred sixty-seven".