320134231321403 has 8 divisors (see below), whose sum is σ = 323973153740880. Its totient is φ = 316318091824800.

The previous prime is 320134231321361. The next prime is 320134231321483. The reversal of 320134231321403 is 304123132431023.

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 320134231321403 - 2²⁴ = 320134214544187 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 320134231321403.

It is not an unprimeable number, because it can be changed into a prime (320134231321483) 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, 5695702448 + ... + 5695758653.

It is an arithmetic number, because the mean of its divisors is an integer number (40496644217610).

Almost surely, 2^{320134231321403} is an apocalyptic number.

320134231321403 is a deficient number, since it is larger than the sum of its proper divisors (3838922419477).

320134231321403 is a wasteful number, since it uses less digits than its factorization.

320134231321403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11391461437.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 320134231321403 its reverse (304123132431023), we get a palindrome (624257363752426).

The spelling of 320134231321403 in words is "three hundred twenty trillion, one hundred thirty-four billion, two hundred thirty-one million, three hundred twenty-one thousand, four hundred three".