10311971 has 4 divisors (see below), whose sum is σ = 10323312. Its totient is φ = 10300632.

The previous prime is 10311953. The next prime is 10311997. The reversal of 10311971 is 17911301.

10311971 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 10311971 - 2²² = 6117667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10311901) 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, 4175 + ... + 6168.

It is an arithmetic number, because the mean of its divisors is an integer number (2580828).

Almost surely, 2^10311971 is an apocalyptic number.

10311971 is a deficient number, since it is larger than the sum of its proper divisors (11341).

10311971 is an equidigital number, since it uses as much as digits as its factorization.

10311971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11340.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 10311971 is about 3211.2257784217. The cubic root of 10311971 is about 217.6609703693.

The spelling of 10311971 in words is "ten million, three hundred eleven thousand, nine hundred seventy-one".