131433354321 has 8 divisors (see below), whose sum is σ = 175293976704. Its totient is φ = 87597484080.

The previous prime is 131433354319. The next prime is 131433354389. The reversal of 131433354321 is 123453334131.

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 131433354321 - 2¹ = 131433354319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131433354421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6175641 + ... + 6196886.

It is an arithmetic number, because the mean of its divisors is an integer number (21911747088).

Almost surely, 2^131433354321 is an apocalyptic number.

It is an amenable number.

131433354321 is a deficient number, since it is larger than the sum of its proper divisors (43860622383).

131433354321 is a wasteful number, since it uses less digits than its factorization.

131433354321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12376071.

The product of its digits is 38880, while the sum is 33.

Adding to 131433354321 its reverse (123453334131), we get a palindrome (254886688452).

The spelling of 131433354321 in words is "one hundred thirty-one billion, four hundred thirty-three million, three hundred fifty-four thousand, three hundred twenty-one".