131143134323344 has 80 divisors (see below), whose sum is σ = 298570246156224. Its totient is φ = 55014192576000.

The previous prime is 131143134323309. The next prime is 131143134323347. The reversal of 131143134323344 is 443323431341131.

It is a junction number, because it is equal to n+sod(n) for n = 131143134323297 and 131143134323306.

It is not an unprimeable number, because it can be changed into a prime (131143134323347) 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, 5882782 + ... + 17230594.

Almost surely, 2^{131143134323344} 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 131143134323344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149285123078112).

131143134323344 is an abundant number, since it is smaller than the sum of its proper divisors (167427111832880).

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

131143134323344 is a wasteful number, since it uses less digits than its factorization.

131143134323344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11352896 (or 11352890 counting only the distinct ones).

The product of its digits is 373248, while the sum is 40.

Adding to 131143134323344 its reverse (443323431341131), we get a palindrome (574466565664475).

The spelling of 131143134323344 in words is "one hundred thirty-one trillion, one hundred forty-three billion, one hundred thirty-four million, three hundred twenty-three thousand, three hundred forty-four".