131077481671 has 4 divisors (see below), whose sum is σ = 131187910392. Its totient is φ = 130967052952.

The previous prime is 131077481603. The next prime is 131077481681. The reversal of 131077481671 is 176184770131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131077481671 - 2⁷ = 131077481543 is a prime.

It is a super-2 number, since 2×131077481671² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131077481681) 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 3 ways as a sum of consecutive naturals, for example, 55212580 + ... + 55214953.

It is an arithmetic number, because the mean of its divisors is an integer number (32796977598).

Almost surely, 2^131077481671 is an apocalyptic number.

131077481671 is a deficient number, since it is larger than the sum of its proper divisors (110428721).

131077481671 is a wasteful number, since it uses less digits than its factorization.

131077481671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110428720.

The product of its (nonzero) digits is 197568, while the sum is 46.

The spelling of 131077481671 in words is "one hundred thirty-one billion, seventy-seven million, four hundred eighty-one thousand, six hundred seventy-one".