131344433313 has 8 divisors (see below), whose sum is σ = 179859043968. Its totient is φ = 85196389104.

The previous prime is 131344433273. The next prime is 131344433323. The reversal of 131344433313 is 313334443131.

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

It is a de Polignac number, because none of the positive numbers 2^k-131344433313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131344433323) 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, 591641481 + ... + 591641702.

It is an arithmetic number, because the mean of its divisors is an integer number (22482380496).

Almost surely, 2^131344433313 is an apocalyptic number.

It is an amenable number.

131344433313 is a deficient number, since it is larger than the sum of its proper divisors (48514610655).

131344433313 is a wasteful number, since it uses less digits than its factorization.

131344433313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183283223.

The product of its digits is 46656, while the sum is 33.

Adding to 131344433313 its reverse (313334443131), we get a palindrome (444678876444).

The spelling of 131344433313 in words is "one hundred thirty-one billion, three hundred forty-four million, four hundred thirty-three thousand, three hundred thirteen".