131403021333043 has 4 divisors (see below), whose sum is σ = 139132610823240. Its totient is φ = 123673431842848.

The previous prime is 131403021333013. The next prime is 131403021333079. The reversal of 131403021333043 is 340333120304131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131403021333043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131403021332996 and 131403021333014.

It is not an unprimeable number, because it can be changed into a prime (131403021333013) 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 3 ways as a sum of consecutive naturals, for example, 3864794745073 + ... + 3864794745106.

It is an arithmetic number, because the mean of its divisors is an integer number (34783152705810).

Almost surely, 2^{131403021333043} is an apocalyptic number.

131403021333043 is a deficient number, since it is larger than the sum of its proper divisors (7729589490197).

131403021333043 is an equidigital number, since it uses as much as digits as its factorization.

131403021333043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7729589490196.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 131403021333043 its reverse (340333120304131), we get a palindrome (471736141637174).

The spelling of 131403021333043 in words is "one hundred thirty-one trillion, four hundred three billion, twenty-one million, three hundred thirty-three thousand, forty-three".