131443431013123 has 8 divisors (see below), whose sum is σ = 131564150896640. Its totient is φ = 131322758119560.

The previous prime is 131443431013079. The next prime is 131443431013151. The reversal of 131443431013123 is 321310134344131.

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

It is a cyclic number.

It is not a de Polignac number, because 131443431013123 - 2¹⁷ = 131443430882051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131443431013423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6149163 + ... + 17340676.

It is an arithmetic number, because the mean of its divisors is an integer number (16445518862080).

Almost surely, 2^{131443431013123} is an apocalyptic number.

131443431013123 is a deficient number, since it is larger than the sum of its proper divisors (120719883517).

131443431013123 is a wasteful number, since it uses less digits than its factorization.

131443431013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23494977.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 131443431013123 its reverse (321310134344131), we get a palindrome (452753565357254).

The spelling of 131443431013123 in words is "one hundred thirty-one trillion, four hundred forty-three billion, four hundred thirty-one million, thirteen thousand, one hundred twenty-three".