131403244231443 has 16 divisors (see below), whose sum is σ = 175240629233280. Its totient is φ = 87584012943936.

The previous prime is 131403244231439. The next prime is 131403244231451. The reversal of 131403244231443 is 344132442304131.

It is not a de Polignac number, because 131403244231443 - 2² = 131403244231439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131403244231543) 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, 285337896 + ... + 285798042.

It is an arithmetic number, because the mean of its divisors is an integer number (10952539327080).

Almost surely, 2^{131403244231443} is an apocalyptic number.

131403244231443 is a deficient number, since it is larger than the sum of its proper divisors (43837385001837).

131403244231443 is an equidigital number, since it uses as much as digits as its factorization.

131403244231443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479666.

The product of its (nonzero) digits is 331776, while the sum is 39.

Adding to 131403244231443 its reverse (344132442304131), we get a palindrome (475535686535574).

The spelling of 131403244231443 in words is "one hundred thirty-one trillion, four hundred three billion, two hundred forty-four million, two hundred thirty-one thousand, four hundred forty-three".