131017482487 has 16 divisors (see below), whose sum is σ = 139179420000. Its totient is φ = 122986266624.

The previous prime is 131017482481. The next prime is 131017482499. The reversal of 131017482487 is 784284710131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131017482487 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 (131017482481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101303 + ... + 1214455.

It is an arithmetic number, because the mean of its divisors is an integer number (8698713750).

Almost surely, 2^131017482487 is an apocalyptic number.

131017482487 is a deficient number, since it is larger than the sum of its proper divisors (8161937513).

131017482487 is a wasteful number, since it uses less digits than its factorization.

131017482487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113730.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 131017482487 in words is "one hundred thirty-one billion, seventeen million, four hundred eighty-two thousand, four hundred eighty-seven".