131367217673 has 16 divisors (see below), whose sum is σ = 136886131200. Its totient is φ = 125933875200.

The previous prime is 131367217669. The next prime is 131367217741. The reversal of 131367217673 is 376712763131.

It is a cyclic number.

It is not a de Polignac number, because 131367217673 - 2² = 131367217669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131367211673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1396478 + ... + 1487576.

It is an arithmetic number, because the mean of its divisors is an integer number (8555383200).

Almost surely, 2^131367217673 is an apocalyptic number.

It is an amenable number.

131367217673 is a deficient number, since it is larger than the sum of its proper divisors (5518913527).

131367217673 is a wasteful number, since it uses less digits than its factorization.

131367217673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91568.

The product of its digits is 666792, while the sum is 47.

The spelling of 131367217673 in words is "one hundred thirty-one billion, three hundred sixty-seven million, two hundred seventeen thousand, six hundred seventy-three".