131234020043 has 12 divisors (see below), whose sum is σ = 152713841400. Its totient is φ = 112446617472.

The previous prime is 131234020031. The next prime is 131234020069. The reversal of 131234020043 is 340020432131.

It is not a de Polignac number, because 131234020043 - 2³⁰ = 130160278219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131234020543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331718 + ... + 610331.

It is an arithmetic number, because the mean of its divisors is an integer number (12726153450).

Almost surely, 2^131234020043 is an apocalyptic number.

131234020043 is a deficient number, since it is larger than the sum of its proper divisors (21479821357).

131234020043 is an equidigital number, since it uses as much as digits as its factorization.

131234020043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944906 (or 944899 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 131234020043 its reverse (340020432131), we get a palindrome (471254452174).

The spelling of 131234020043 in words is "one hundred thirty-one billion, two hundred thirty-four million, twenty thousand, forty-three".