131252471347 has 16 divisors (see below), whose sum is σ = 139063744512. Its totient is φ = 123621060640.

The previous prime is 131252471327. The next prime is 131252471351. The reversal of 131252471347 is 743174252131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131252471347 is a prime.

It is a super-2 number, since 2×131252471347² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131252471327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1251078 + ... + 1351924.

It is an arithmetic number, because the mean of its divisors is an integer number (8691484032).

Almost surely, 2^131252471347 is an apocalyptic number.

131252471347 is a deficient number, since it is larger than the sum of its proper divisors (7811273165).

131252471347 is a wasteful number, since it uses less digits than its factorization.

131252471347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101738.

The product of its digits is 141120, while the sum is 40.

The spelling of 131252471347 in words is "one hundred thirty-one billion, two hundred fifty-two million, four hundred seventy-one thousand, three hundred forty-seven".