131402604171 has 16 divisors (see below), whose sum is σ = 175542681600. Its totient is φ = 87432294528.

The previous prime is 131402604161. The next prime is 131402604191. The reversal of 131402604171 is 171406204131.

It is not a de Polignac number, because 131402604171 - 2⁹ = 131402603659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131402604131) 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 15 ways as a sum of consecutive naturals, for example, 3384115 + ... + 3422723.

It is an arithmetic number, because the mean of its divisors is an integer number (10971417600).

Almost surely, 2^131402604171 is an apocalyptic number.

131402604171 is a deficient number, since it is larger than the sum of its proper divisors (44140077429).

131402604171 is a wasteful number, since it uses less digits than its factorization.

131402604171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40778.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 131402604171 in words is "one hundred thirty-one billion, four hundred two million, six hundred four thousand, one hundred seventy-one".