131131347 has 8 divisors (see below), whose sum is σ = 175304640. Its totient is φ = 87189480.

The previous prime is 131131337. The next prime is 131131361. The reversal of 131131347 is 743131131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131131347 - 2¹² = 131127251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131131307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56529 + ... + 58802.

It is an arithmetic number, because the mean of its divisors is an integer number (21913080).

Almost surely, 2^131131347 is an apocalyptic number.

131131347 is a deficient number, since it is larger than the sum of its proper divisors (44173293).

131131347 is a wasteful number, since it uses less digits than its factorization.

131131347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115713.

The product of its digits is 756, while the sum is 24.

The square root of 131131347 is about 11451.2596250369. The cubic root of 131131347 is about 508.0449913135.

Adding to 131131347 its reverse (743131131), we get a palindrome (874262478).

The spelling of 131131347 in words is "one hundred thirty-one million, one hundred thirty-one thousand, three hundred forty-seven".