131333665371 has 16 divisors (see below), whose sum is σ = 179395872768. Its totient is φ = 85413934400.

The previous prime is 131333665367. The next prime is 131333665391. The reversal of 131333665371 is 173566333131.

It is a cyclic number.

It is not a de Polignac number, because 131333665371 - 2² = 131333665367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131333665391) 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, 2088430 + ... + 2150396.

It is an arithmetic number, because the mean of its divisors is an integer number (11212242048).

Almost surely, 2^131333665371 is an apocalyptic number.

131333665371 is a deficient number, since it is larger than the sum of its proper divisors (48062207397).

131333665371 is a wasteful number, since it uses less digits than its factorization.

131333665371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79242.

The product of its digits is 306180, while the sum is 42.

The spelling of 131333665371 in words is "one hundred thirty-one billion, three hundred thirty-three million, six hundred sixty-five thousand, three hundred seventy-one".