131043210421120 has 128 divisors (see below), whose sum is σ = 321970501324800. Its totient is φ = 50964391526400.

The previous prime is 131043210421111. The next prime is 131043210421121. The reversal of 131043210421120 is 21124012340131.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131043210421121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31401345 + ... + 35328895.

It is an arithmetic number, because the mean of its divisors is an integer number (2515394541600).

Almost surely, 2^{131043210421120} is an apocalyptic number.

131043210421120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131043210421120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160985250662400).

131043210421120 is an abundant number, since it is smaller than the sum of its proper divisors (190927290903680).

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

131043210421120 is a wasteful number, since it uses less digits than its factorization.

131043210421120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929016 (or 3929004 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 131043210421120 its reverse (21124012340131), we get a palindrome (152167222761251).

The spelling of 131043210421120 in words is "one hundred thirty-one trillion, forty-three billion, two hundred ten million, four hundred twenty-one thousand, one hundred twenty".