320381078901 has 24 divisors (see below), whose sum is σ = 471289656096. Its totient is φ = 193437616320.

The previous prime is 320381078887. The next prime is 320381078987. The reversal of 320381078901 is 109870183023.

It is not a de Polignac number, because 320381078901 - 2¹⁵ = 320381046133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320381074901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5934595 + ... + 5988336.

It is an arithmetic number, because the mean of its divisors is an integer number (19637069004).

Almost surely, 2^320381078901 is an apocalyptic number.

It is an amenable number.

320381078901 is a deficient number, since it is larger than the sum of its proper divisors (150908577195).

320381078901 is a wasteful number, since it uses less digits than its factorization.

320381078901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11923013 (or 11923000 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 320381078901 in words is "three hundred twenty billion, three hundred eighty-one million, seventy-eight thousand, nine hundred one".