131143444340111 has 8 divisors (see below), whose sum is σ = 149878343788320. Its totient is φ = 112408575313248.

The previous prime is 131143444340071. The next prime is 131143444340159. The reversal of 131143444340111 is 111043444341131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131143444340111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131143444340171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2533385 + ... + 16392221.

It is an arithmetic number, because the mean of its divisors is an integer number (18734792973540).

Almost surely, 2^{131143444340111} is an apocalyptic number.

131143444340111 is a deficient number, since it is larger than the sum of its proper divisors (18734899448209).

131143444340111 is a wasteful number, since it uses less digits than its factorization.

131143444340111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15210673.

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 131143444340111 its reverse (111043444341131), we get a palindrome (242186888681242).

The spelling of 131143444340111 in words is "one hundred thirty-one trillion, one hundred forty-three billion, four hundred forty-four million, three hundred forty thousand, one hundred eleven".