131530347 has 24 divisors (see below), whose sum is σ = 205766288. Its totient is φ = 80481600.

The previous prime is 131530291. The next prime is 131530387. The reversal of 131530347 is 743035131.

131530347 is a `hidden beast` number, since 1 + 315 + 3 + 0 + 347 = 666.

It is not a de Polignac number, because 131530347 - 2⁷ = 131530219 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 131530347.

It is not an unprimeable number, because it can be changed into a prime (131530387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18072 + ... + 24282.

Almost surely, 2^131530347 is an apocalyptic number.

131530347 is a deficient number, since it is larger than the sum of its proper divisors (74235941).

131530347 is a wasteful number, since it uses less digits than its factorization.

131530347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6411 (or 6408 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 131530347 is about 11468.6680569280. The cubic root of 131530347 is about 508.5597543212.

Adding to 131530347 its reverse (743035131), we get a palindrome (874565478).

The spelling of 131530347 in words is "one hundred thirty-one million, five hundred thirty thousand, three hundred forty-seven".