2312971 has 4 divisors (see below), whose sum is σ = 2329992. Its totient is φ = 2295952.

The previous prime is 2312963. The next prime is 2312983. The reversal of 2312971 is 1792132.

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

It is a cyclic number.

It is not a de Polignac number, because 2312971 - 2³ = 2312963 is a prime.

It is a Duffinian number.

2312971 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2312951) 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, 8305 + ... + 8578.

It is an arithmetic number, because the mean of its divisors is an integer number (582498).

2^2312971 is an apocalyptic number.

2312971 is a deficient number, since it is larger than the sum of its proper divisors (17021).

2312971 is a wasteful number, since it uses less digits than its factorization.

2312971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17020.

The product of its digits is 756, while the sum is 25.

The square root of 2312971 is about 1520.8454885359. The cubic root of 2312971 is about 132.2482891850.

The spelling of 2312971 in words is "two million, three hundred twelve thousand, nine hundred seventy-one".