2870131 has 4 divisors (see below), whose sum is σ = 3131064. Its totient is φ = 2609200.

The previous prime is 2870113. The next prime is 2870171. The reversal of 2870131 is 1310782.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2870131 - 2⁵ = 2870099 is a prime.

It is a super-2 number, since 2×2870131² = 16475303914322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2870171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130450 + ... + 130471.

It is an arithmetic number, because the mean of its divisors is an integer number (782766).

2^2870131 is an apocalyptic number.

2870131 is a deficient number, since it is larger than the sum of its proper divisors (260933).

2870131 is a wasteful number, since it uses less digits than its factorization.

2870131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260932.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 2870131 is about 1694.1460975961. The cubic root of 2870131 is about 142.1130323984.

The spelling of 2870131 in words is "two million, eight hundred seventy thousand, one hundred thirty-one".