131316407 has 8 divisors (see below), whose sum is σ = 138762240. Its totient is φ = 124015320.

The previous prime is 131316397. The next prime is 131316421. The reversal of 131316407 is 704613131.

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

It is a cyclic number.

It is not a de Polignac number, because 131316407 - 2⁸ = 131316151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131316907) 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 7 ways as a sum of consecutive naturals, for example, 34319 + ... + 37952.

It is an arithmetic number, because the mean of its divisors is an integer number (17345280).

Almost surely, 2^131316407 is an apocalyptic number.

131316407 is a deficient number, since it is larger than the sum of its proper divisors (7445833).

131316407 is an equidigital number, since it uses as much as digits as its factorization.

131316407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72373.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 131316407 is about 11459.3371099728. The cubic root of 131316407 is about 508.2838729506.

Adding to 131316407 its reverse (704613131), we get a palindrome (835929538).

The spelling of 131316407 in words is "one hundred thirty-one million, three hundred sixteen thousand, four hundred seven".