10871631 has 16 divisors (see below), whose sum is σ = 16177920. Its totient is φ = 7215480.

The previous prime is 10871593. The next prime is 10871633. The reversal of 10871631 is 13617801.

It is not a de Polignac number, because 10871631 - 2²² = 6677327 is a prime.

It is a super-2 number, since 2×10871631² = 236384721200322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 10871595 and 10871604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10871633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6336 + ... + 7866.

It is an arithmetic number, because the mean of its divisors is an integer number (1011120).

Almost surely, 2^10871631 is an apocalyptic number.

10871631 is a deficient number, since it is larger than the sum of its proper divisors (5306289).

10871631 is a wasteful number, since it uses less digits than its factorization.

10871631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 10871631 is about 3297.2156435393. The cubic root of 10871631 is about 221.5295002552.

The spelling of 10871631 in words is "ten million, eight hundred seventy-one thousand, six hundred thirty-one".