131323424123144 has 128 divisors (see below), whose sum is σ = 284539932432000. Its totient is φ = 56193876172800.

The previous prime is 131323424123123. The next prime is 131323424123173. The reversal of 131323424123144 is 441321424323131.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 131323424123098 and 131323424123107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546284414 + ... + 546524754.

It is an arithmetic number, because the mean of its divisors is an integer number (2222968222125).

Almost surely, 2^{131323424123144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131323424123144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142269966216000).

131323424123144 is an abundant number, since it is smaller than the sum of its proper divisors (153216508308856).

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

131323424123144 is a wasteful number, since it uses less digits than its factorization.

131323424123144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242439 (or 242435 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

Adding to 131323424123144 its reverse (441321424323131), we get a palindrome (572644848446275).

The spelling of 131323424123144 in words is "one hundred thirty-one trillion, three hundred twenty-three billion, four hundred twenty-four million, one hundred twenty-three thousand, one hundred forty-four".