131344542315433 has 4 divisors (see below), whose sum is σ = 131368127263060. Its totient is φ = 131320957367808.

The previous prime is 131344542315421. The next prime is 131344542315451. The reversal of 131344542315433 is 334513245443131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13209968240704 + 118134574074729 = 3634552^2 + 10868973^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131344542315433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131344542315533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11792465460 + ... + 11792476597.

It is an arithmetic number, because the mean of its divisors is an integer number (32842031815765).

Almost surely, 2^{131344542315433} is an apocalyptic number.

It is an amenable number.

131344542315433 is a deficient number, since it is larger than the sum of its proper divisors (23584947627).

131344542315433 is an equidigital number, since it uses as much as digits as its factorization.

131344542315433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23584947626.

The product of its digits is 3110400, while the sum is 46.

Adding to 131344542315433 its reverse (334513245443131), we get a palindrome (465857787758564).

The spelling of 131344542315433 in words is "one hundred thirty-one trillion, three hundred forty-four billion, five hundred forty-two million, three hundred fifteen thousand, four hundred thirty-three".