131453721170 has 16 divisors (see below), whose sum is σ = 241081165080. Its totient is φ = 51589384704.

The previous prime is 131453721151. The next prime is 131453721221. The reversal of 131453721170 is 71127354131.

131453721170 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 84209655721 + 47244065449 = 290189^2 + 217357^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131453721170.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124012415 + ... + 124013474.

Almost surely, 2^131453721170 is an apocalyptic number.

131453721170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131453721170 is a deficient number, since it is larger than the sum of its proper divisors (109627443910).

131453721170 is a wasteful number, since it uses less digits than its factorization.

131453721170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248025949.

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 131453721170 in words is "one hundred thirty-one billion, four hundred fifty-three million, seven hundred twenty-one thousand, one hundred seventy".