131020120110 has 96 divisors (see below), whose sum is σ = 352987600896. Its totient is φ = 31086616000.

The previous prime is 131020120093. The next prime is 131020120141. The reversal of 131020120110 is 11021020131.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 213366 + ... + 554585.

It is an arithmetic number, because the mean of its divisors is an integer number (3676954176).

Almost surely, 2^131020120110 is an apocalyptic number.

131020120110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131020120110 is an abundant number, since it is smaller than the sum of its proper divisors (221967480786).

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

131020120110 is a wasteful number, since it uses less digits than its factorization.

131020120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768030 (or 768019 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 131020120110 its reverse (11021020131), we get a palindrome (142041140241).

The spelling of 131020120110 in words is "one hundred thirty-one billion, twenty million, one hundred twenty thousand, one hundred ten".