131402640317 has 8 divisors (see below), whose sum is σ = 141656286240. Its totient is φ = 121169815920.

The previous prime is 131402640301. The next prime is 131402640359. The reversal of 131402640317 is 713046204131.

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 131402640317 - 2⁴ = 131402640301 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 (131402640367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5192267 + ... + 5217512.

It is an arithmetic number, because the mean of its divisors is an integer number (17707035780).

Almost surely, 2^131402640317 is an apocalyptic number.

It is an amenable number.

131402640317 is a deficient number, since it is larger than the sum of its proper divisors (10253645923).

131402640317 is a wasteful number, since it uses less digits than its factorization.

131402640317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10410763.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 131402640317 its reverse (713046204131), we get a palindrome (844448844448).

The spelling of 131402640317 in words is "one hundred thirty-one billion, four hundred two million, six hundred forty thousand, three hundred seventeen".