131203823943 has 16 divisors (see below), whose sum is σ = 177898412160. Its totient is φ = 85994357856.

The previous prime is 131203823921. The next prime is 131203823951. The reversal of 131203823943 is 349328302131.

It is not a de Polignac number, because 131203823943 - 2⁸ = 131203823687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131203823903) 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, 538905 + ... + 743522.

It is an arithmetic number, because the mean of its divisors is an integer number (11118650760).

Almost surely, 2^131203823943 is an apocalyptic number.

131203823943 is a deficient number, since it is larger than the sum of its proper divisors (46694588217).

131203823943 is a wasteful number, since it uses less digits than its factorization.

131203823943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283006.

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 131203823943 in words is "one hundred thirty-one billion, two hundred three million, eight hundred twenty-three thousand, nine hundred forty-three".