131301499 has 4 divisors (see below), whose sum is σ = 150058864. Its totient is φ = 112544136.

The previous prime is 131301487. The next prime is 131301551. The reversal of 131301499 is 994103131.

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

It is a cyclic number.

It is not a de Polignac number, because 131301499 - 2¹³ = 131293307 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 131301499.

It is not an unprimeable number, because it can be changed into a prime (131301439) 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, 9378672 + ... + 9378685.

It is an arithmetic number, because the mean of its divisors is an integer number (37514716).

Almost surely, 2^131301499 is an apocalyptic number.

131301499 is a deficient number, since it is larger than the sum of its proper divisors (18757365).

131301499 is an equidigital number, since it uses as much as digits as its factorization.

131301499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18757364.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 131301499 is about 11458.6866175841. The cubic root of 131301499 is about 508.2646375203.

The spelling of 131301499 in words is "one hundred thirty-one million, three hundred one thousand, four hundred ninety-nine".