320312681129 has 8 divisors (see below), whose sum is σ = 372978648000. Its totient is φ = 269373467376.

The previous prime is 320312681119. The next prime is 320312681149. The reversal of 320312681129 is 921186213023.

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 320312681129 - 2⁸ = 320312680873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320312681092 and 320312681101.

It is not an unprimeable number, because it can be changed into a prime (320312681119) 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, 431687879 + ... + 431688620.

It is an arithmetic number, because the mean of its divisors is an integer number (46622331000).

Almost surely, 2^320312681129 is an apocalyptic number.

It is an amenable number.

320312681129 is a deficient number, since it is larger than the sum of its proper divisors (52665966871).

320312681129 is an equidigital number, since it uses as much as digits as its factorization.

320312681129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863376559.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 320312681129 in words is "three hundred twenty billion, three hundred twelve million, six hundred eighty-one thousand, one hundred twenty-nine".