131321020121170 has 64 divisors (see below), whose sum is σ = 259636405968000. Its totient is φ = 47425476904960.

The previous prime is 131321020121113. The next prime is 131321020121171. The reversal of 131321020121170 is 71121020123131.

It is not an unprimeable number, because it can be changed into a prime (131321020121171) 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 31 ways as a sum of consecutive naturals, for example, 109033797 + ... + 110231623.

It is an arithmetic number, because the mean of its divisors is an integer number (4056818843250).

Almost surely, 2^{131321020121170} is an apocalyptic number.

131321020121170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131321020121170 is a deficient number, since it is larger than the sum of its proper divisors (128315385846830).

131321020121170 is a wasteful number, since it uses less digits than its factorization.

131321020121170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204683.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 131321020121170 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, twenty million, one hundred twenty-one thousand, one hundred seventy".