11831371 has 6 divisors (see below), whose sum is σ = 12568580. Its totient is φ = 11135136.

The previous prime is 11831359. The next prime is 11831383. The reversal of 11831371 is 17313811.

11831371 is nontrivially palindromic in base 16.

It is an interprime number because it is at equal distance from previous prime (11831359) and next prime (11831383).

It is not a de Polignac number, because 11831371 - 2¹⁵ = 11798603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11831341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20181 + ... + 20758.

Almost surely, 2^11831371 is an apocalyptic number.

11831371 is a deficient number, since it is larger than the sum of its proper divisors (737209).

11831371 is an equidigital number, since it uses as much as digits as its factorization.

11831371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40973 (or 40956 counting only the distinct ones).

The product of its digits is 504, while the sum is 25.

The square root of 11831371 is about 3439.6760021839. The cubic root of 11831371 is about 227.8653855522.

The spelling of 11831371 in words is "eleven million, eight hundred thirty-one thousand, three hundred seventy-one".