131011403313344 has 56 divisors (see below), whose sum is σ = 260155498839600. Its totient is φ = 65460417269760.

The previous prime is 131011403313317. The next prime is 131011403313389. The reversal of 131011403313344 is 443313304110131.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 131011403313344.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1847251004 + ... + 1847321924.

It is an arithmetic number, because the mean of its divisors is an integer number (4645633907850).

Almost surely, 2^{131011403313344} is an apocalyptic number.

It is an amenable number.

131011403313344 is a deficient number, since it is larger than the sum of its proper divisors (129144095526256).

131011403313344 is a wasteful number, since it uses less digits than its factorization.

131011403313344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90481 (or 90471 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 131011403313344 its reverse (443313304110131), we get a palindrome (574324707423475).

The spelling of 131011403313344 in words is "one hundred thirty-one trillion, eleven billion, four hundred three million, three hundred thirteen thousand, three hundred forty-four".