131083387 has 4 divisors (see below), whose sum is σ = 131248656. Its totient is φ = 130918120.

The previous prime is 131083369. The next prime is 131083397. The reversal of 131083387 is 783380131.

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 131083387 - 2²³ = 122694779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131083397) 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, 81439 + ... + 83032.

It is an arithmetic number, because the mean of its divisors is an integer number (32812164).

Almost surely, 2^131083387 is an apocalyptic number.

131083387 is a deficient number, since it is larger than the sum of its proper divisors (165269).

131083387 is an equidigital number, since it uses as much as digits as its factorization.

131083387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165268.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 131083387 is about 11449.1653407574. The cubic root of 131083387 is about 507.9830462753.

The spelling of 131083387 in words is "one hundred thirty-one million, eighty-three thousand, three hundred eighty-seven".