10011631 has 6 divisors (see below), whose sum is σ = 11646240. Its totient is φ = 8581356.

The previous prime is 10011629. The next prime is 10011643. The reversal of 10011631 is 13611001.

It is a happy number.

It is not a de Polignac number, because 10011631 - 2¹ = 10011629 is a prime.

It is a super-2 number, since 2×10011631² = 200465510560322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011431) 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, 102111 + ... + 102208.

It is an arithmetic number, because the mean of its divisors is an integer number (1941040).

Almost surely, 2^10011631 is an apocalyptic number.

10011631 is a deficient number, since it is larger than the sum of its proper divisors (1634609).

10011631 is an equidigital number, since it uses as much as digits as its factorization.

10011631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204333 (or 204326 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 10011631 is about 3164.1161483106. The cubic root of 10011631 is about 215.5269640734.

Adding to 10011631 its reverse (13611001), we get a palindrome (23622632).

The spelling of 10011631 in words is "ten million, eleven thousand, six hundred thirty-one".