10131663 has 4 divisors (see below), whose sum is σ = 13508888. Its totient is φ = 6754440.

The previous prime is 10131623. The next prime is 10131689. The reversal of 10131663 is 36613101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10131663 - 2⁹ = 10131151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131623) 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, 1688608 + ... + 1688613.

It is an arithmetic number, because the mean of its divisors is an integer number (3377222).

Almost surely, 2^10131663 is an apocalyptic number.

10131663 is a deficient number, since it is larger than the sum of its proper divisors (3377225).

10131663 is an equidigital number, since it uses as much as digits as its factorization.

10131663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377224.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 10131663 is about 3183.0273325876. The cubic root of 10131663 is about 216.3848804927.

Adding to 10131663 its reverse (36613101), we get a palindrome (46744764).

The spelling of 10131663 in words is "ten million, one hundred thirty-one thousand, six hundred sixty-three".