131033426087 has 4 divisors (see below), whose sum is σ = 135551820120. Its totient is φ = 126515032056.

The previous prime is 131033426057. The next prime is 131033426099. The reversal of 131033426087 is 780624330131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780624330131 = 17 ⋅45919078243.

It is a cyclic number.

It is not a de Polignac number, because 131033426087 - 2¹⁶ = 131033360551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131033426087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131033426057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2259196973 + ... + 2259197030.

It is an arithmetic number, because the mean of its divisors is an integer number (33887955030).

Almost surely, 2^131033426087 is an apocalyptic number.

131033426087 is a deficient number, since it is larger than the sum of its proper divisors (4518394033).

131033426087 is an equidigital number, since it uses as much as digits as its factorization.

131033426087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4518394032.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 131033426087 in words is "one hundred thirty-one billion, thirty-three million, four hundred twenty-six thousand, eighty-seven".