131701128825188 has 24 divisors (see below), whose sum is σ = 248215636524408. Its totient is φ = 60782769939456.

The previous prime is 131701128825137. The next prime is 131701128825197. The reversal of 131701128825188 is 881528821107131.

It can be written as a sum of positive squares in 4 ways, for example, as 39188125841764 + 92513002983424 = 6260042^2 + 9618368^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47951981 + ... + 50624052.

It is an arithmetic number, because the mean of its divisors is an integer number (10342318188517).

Almost surely, 2^{131701128825188} is an apocalyptic number.

It is an amenable number.

131701128825188 is a deficient number, since it is larger than the sum of its proper divisors (116514507699220).

131701128825188 is a wasteful number, since it uses less digits than its factorization.

131701128825188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98601743 (or 98601741 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 56.

The spelling of 131701128825188 in words is "one hundred thirty-one trillion, seven hundred one billion, one hundred twenty-eight million, eight hundred twenty-five thousand, one hundred eighty-eight".