11642031 has 6 divisors (see below), whose sum is σ = 16816280. Its totient is φ = 7761348.

The previous prime is 11642017. The next prime is 11642039. The reversal of 11642031 is 13024611.

It is a happy number.

11642031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11642031 - 2¹⁸ = 11379887 is a prime.

It is a super-2 number, since 2×11642031² = 271073771609922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11641995 and 11642013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11642039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 646771 + ... + 646788.

Almost surely, 2^11642031 is an apocalyptic number.

11642031 is a deficient number, since it is larger than the sum of its proper divisors (5174249).

11642031 is a wasteful number, since it uses less digits than its factorization.

11642031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293565 (or 1293562 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 11642031 is about 3412.0420571851. The cubic root of 11642031 is about 226.6433167508.

Adding to 11642031 its reverse (13024611), we get a palindrome (24666642).

The spelling of 11642031 in words is "eleven million, six hundred forty-two thousand, thirty-one".