131204403443 has 8 divisors (see below), whose sum is σ = 131614218000. Its totient is φ = 130795112448.

The previous prime is 131204403439. The next prime is 131204403481. The reversal of 131204403443 is 344304402131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131204403443 - 2² = 131204403439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131204403433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374123 + ... + 634331.

It is an arithmetic number, because the mean of its divisors is an integer number (16451777250).

Almost surely, 2^131204403443 is an apocalyptic number.

131204403443 is a deficient number, since it is larger than the sum of its proper divisors (409814557).

131204403443 is a wasteful number, since it uses less digits than its factorization.

131204403443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261781.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 131204403443 its reverse (344304402131), we get a palindrome (475508805574).

The spelling of 131204403443 in words is "one hundred thirty-one billion, two hundred four million, four hundred three thousand, four hundred forty-three".