131020443344323 has 16 divisors (see below), whose sum is σ = 145691192408832. Its totient is φ = 117007909488000.

The previous prime is 131020443344257. The next prime is 131020443344341. The reversal of 131020443344323 is 323443344020131.

It is a cyclic number.

It is not a de Polignac number, because 131020443344323 - 2¹⁷ = 131020443213251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131020443344423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43950988 + ... + 46837273.

It is an arithmetic number, because the mean of its divisors is an integer number (9105699525552).

Almost surely, 2^{131020443344323} is an apocalyptic number.

131020443344323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131020443344323 is a deficient number, since it is larger than the sum of its proper divisors (14670749064509).

131020443344323 is a wasteful number, since it uses less digits than its factorization.

131020443344323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90791886.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 131020443344323 its reverse (323443344020131), we get a palindrome (454463787364454).

The spelling of 131020443344323 in words is "one hundred thirty-one trillion, twenty billion, four hundred forty-three million, three hundred forty-four thousand, three hundred twenty-three".