131143104321 has 8 divisors (see below), whose sum is σ = 174869415840. Its totient is φ = 87422764512.

The previous prime is 131143104317. The next prime is 131143104347. The reversal of 131143104321 is 123401341131.

It is a happy number.

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

It is not a de Polignac number, because 131143104321 - 2² = 131143104317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131143104291 and 131143104300.

It is not an unprimeable number, because it can be changed into a prime (131143104311) 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, 1441431 + ... + 1529708.

It is an arithmetic number, because the mean of its divisors is an integer number (21858676980).

Almost surely, 2^131143104321 is an apocalyptic number.

It is an amenable number.

131143104321 is a deficient number, since it is larger than the sum of its proper divisors (43726311519).

131143104321 is a wasteful number, since it uses less digits than its factorization.

131143104321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985855.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 131143104321 its reverse (123401341131), we get a palindrome (254544445452).

The spelling of 131143104321 in words is "one hundred thirty-one billion, one hundred forty-three million, one hundred four thousand, three hundred twenty-one".