87131103 has 8 divisors (see below), whose sum is σ = 123008688. Its totient is φ = 54670464.

The previous prime is 87131101. The next prime is 87131117. The reversal of 87131103 is 30113178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87131103 - 2¹ = 87131101 is a prime.

It is a super-3 number, since 3×87131103³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87131101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854176 + ... + 854277.

It is an arithmetic number, because the mean of its divisors is an integer number (15376086).

Almost surely, 2^87131103 is an apocalyptic number.

87131103 is a deficient number, since it is larger than the sum of its proper divisors (35877585).

87131103 is a wasteful number, since it uses less digits than its factorization.

87131103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708473.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 87131103 is about 9334.4042659401. The cubic root of 87131103 is about 443.3272265665.

The spelling of 87131103 in words is "eighty-seven million, one hundred thirty-one thousand, one hundred three".