131302323031321 has 8 divisors (see below), whose sum is σ = 141402999515904. Its totient is φ = 121201717659600.

The previous prime is 131302323031307. The next prime is 131302323031387. The reversal of 131302323031321 is 123130323203131.

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 131302323031321 - 2⁴³ = 122506230009113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131302323031321.

It is not an unprimeable number, because it can be changed into a prime (131302323031721) 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, 13912255 + ... + 21357796.

It is an arithmetic number, because the mean of its divisors is an integer number (17675374939488).

Almost surely, 2^{131302323031321} is an apocalyptic number.

It is an amenable number.

131302323031321 is a deficient number, since it is larger than the sum of its proper divisors (10100676484583).

131302323031321 is a wasteful number, since it uses less digits than its factorization.

131302323031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35556431.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 131302323031321 its reverse (123130323203131), we get a palindrome (254432646234452).

The spelling of 131302323031321 in words is "one hundred thirty-one trillion, three hundred two billion, three hundred twenty-three million, thirty-one thousand, three hundred twenty-one".