131440000403311 has 16 divisors (see below), whose sum is σ = 138402996272640. Its totient is φ = 124481520152640.

The previous prime is 131440000403263. The next prime is 131440000403329. The reversal of 131440000403311 is 113304000044131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131440000403311 - 2²¹ = 131439998306159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131440000403381) 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, 960167676 + ... + 960304558.

It is an arithmetic number, because the mean of its divisors is an integer number (8650187267040).

Almost surely, 2^{131440000403311} is an apocalyptic number.

131440000403311 is a deficient number, since it is larger than the sum of its proper divisors (6962995869329).

131440000403311 is a wasteful number, since it uses less digits than its factorization.

131440000403311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153006.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 131440000403311 its reverse (113304000044131), we get a palindrome (244744000447442).

The spelling of 131440000403311 in words is "one hundred thirty-one trillion, four hundred forty billion, four hundred three thousand, three hundred eleven".