131004800817 has 16 divisors (see below), whose sum is σ = 190595462400. Its totient is φ = 79378922000.

The previous prime is 131004800813. The next prime is 131004800837. The reversal of 131004800817 is 718008400131.

It is a cyclic number.

It is not a de Polignac number, because 131004800817 - 2² = 131004800813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (131004800813) 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, 299067 + ... + 592832.

It is an arithmetic number, because the mean of its divisors is an integer number (11912216400).

Almost surely, 2^131004800817 is an apocalyptic number.

It is an amenable number.

131004800817 is a deficient number, since it is larger than the sum of its proper divisors (59590661583).

131004800817 is a wasteful number, since it uses less digits than its factorization.

131004800817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896364.

The product of its (nonzero) digits is 5376, while the sum is 33.

The spelling of 131004800817 in words is "one hundred thirty-one billion, four million, eight hundred thousand, eight hundred seventeen".