131382020170 has 32 divisors (see below), whose sum is σ = 243555984000. Its totient is φ = 50989980096.

The previous prime is 131382020101. The next prime is 131382020171. The reversal of 131382020170 is 71020283131.

It is a super-2 number, since 2×131382020170² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131382020171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361720 + ... + 627379.

It is an arithmetic number, because the mean of its divisors is an integer number (7611124500).

Almost surely, 2^131382020170 is an apocalyptic number.

131382020170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131382020170 is a deficient number, since it is larger than the sum of its proper divisors (112173963830).

131382020170 is a wasteful number, since it uses less digits than its factorization.

131382020170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989502.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 131382020170 in words is "one hundred thirty-one billion, three hundred eighty-two million, twenty thousand, one hundred seventy".