131227109328408 has 32 divisors (see below), whose sum is σ = 329344301637360. Its totient is φ = 43572166000640.

The previous prime is 131227109328401. The next prime is 131227109328439. The reversal of 131227109328408 is 804823901722131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131227109328401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10637729673 + ... + 10637742008.

Almost surely, 2^{131227109328408} is an apocalyptic number.

It is an amenable number.

131227109328408 is an abundant number, since it is smaller than the sum of its proper divisors (198117192308952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131227109328408 is a wasteful number, since it uses less digits than its factorization.

131227109328408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21275471947 (or 21275471943 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 131227109328408 in words is "one hundred thirty-one trillion, two hundred twenty-seven billion, one hundred nine million, three hundred twenty-eight thousand, four hundred eight".