10131087 has 4 divisors (see below), whose sum is σ = 13508120. Its totient is φ = 6754056.

The previous prime is 10131083. The next prime is 10131091. The reversal of 10131087 is 78013101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78013101 = 3 ⋅26004367.

It is an interprime number because it is at equal distance from previous prime (10131083) and next prime (10131091).

It is not a de Polignac number, because 10131087 - 2² = 10131083 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 (10131083) 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, 1688512 + ... + 1688517.

It is an arithmetic number, because the mean of its divisors is an integer number (3377030).

Almost surely, 2^10131087 is an apocalyptic number.

10131087 is a deficient number, since it is larger than the sum of its proper divisors (3377033).

10131087 is an equidigital number, since it uses as much as digits as its factorization.

10131087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377032.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 10131087 is about 3182.9368514000. The cubic root of 10131087 is about 216.3807798150.

Adding to 10131087 its reverse (78013101), we get a palindrome (88144188).

The spelling of 10131087 in words is "ten million, one hundred thirty-one thousand, eighty-seven".