131171335052377 has 16 divisors (see below), whose sum is σ = 135209041496064. Its totient is φ = 127194768792000.

The previous prime is 131171335052369. The next prime is 131171335052383. The reversal of 131171335052377 is 773250533171131.

It is a cyclic number.

It is not a de Polignac number, because 131171335052377 - 2³ = 131171335052369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131171335052377.

It is not an unprimeable number, because it can be changed into a prime (131171335052677) 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, 60420552 + ... + 62553862.

It is an arithmetic number, because the mean of its divisors is an integer number (8450565093504).

Almost surely, 2^{131171335052377} is an apocalyptic number.

It is an amenable number.

131171335052377 is a deficient number, since it is larger than the sum of its proper divisors (4037706443687).

131171335052377 is a wasteful number, since it uses less digits than its factorization.

131171335052377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147640.

The product of its (nonzero) digits is 1389150, while the sum is 49.

The spelling of 131171335052377 in words is "one hundred thirty-one trillion, one hundred seventy-one billion, three hundred thirty-five million, fifty-two thousand, three hundred seventy-seven".