131344433324123 has 16 divisors (see below), whose sum is σ = 141469303822560. Its totient is φ = 121694024659200.

The previous prime is 131344433324089. The next prime is 131344433324161. The reversal of 131344433324123 is 321423334443131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131344433324123 - 2¹² = 131344433320027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131344433324173) 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, 905388965 + ... + 905534022.

It is an arithmetic number, because the mean of its divisors is an integer number (8841831488910).

Almost surely, 2^{131344433324123} is an apocalyptic number.

131344433324123 is a deficient number, since it is larger than the sum of its proper divisors (10124870498437).

131344433324123 is a wasteful number, since it uses less digits than its factorization.

131344433324123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810923118.

The product of its digits is 746496, while the sum is 41.

Adding to 131344433324123 its reverse (321423334443131), we get a palindrome (452767767767254).

The spelling of 131344433324123 in words is "one hundred thirty-one trillion, three hundred forty-four billion, four hundred thirty-three million, three hundred twenty-four thousand, one hundred twenty-three".