10889131 has 4 divisors (see below), whose sum is σ = 11879064. Its totient is φ = 9899200.

The previous prime is 10889119. The next prime is 10889173. The reversal of 10889131 is 13198801.

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 10889131 - 2¹⁹ = 10364843 is a prime.

It is a super-2 number, since 2×10889131² = 237146347870322, 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 = 10889093 and 10889102.

It is not an unprimeable number, because it can be changed into a prime (10889111) 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 3 ways as a sum of consecutive naturals, for example, 494950 + ... + 494971.

It is an arithmetic number, because the mean of its divisors is an integer number (2969766).

Almost surely, 2^10889131 is an apocalyptic number.

10889131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10889131 is a deficient number, since it is larger than the sum of its proper divisors (989933).

10889131 is an equidigital number, since it uses as much as digits as its factorization.

10889131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989932.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 10889131 is about 3299.8683307065. The cubic root of 10889131 is about 221.6483014414.

The spelling of 10889131 in words is "ten million, eight hundred eighty-nine thousand, one hundred thirty-one".