320011248138 has 16 divisors (see below), whose sum is σ = 649036898496. Its totient is φ = 105168015680.

The previous prime is 320011248131. The next prime is 320011248157. The reversal of 320011248138 is 831842110023.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 320011248099 and 320011248108.

It is not an unprimeable number, because it can be changed into a prime (320011248131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375599631 + ... + 375600482.

It is an arithmetic number, because the mean of its divisors is an integer number (40564806156).

Almost surely, 2^320011248138 is an apocalyptic number.

320011248138 is an abundant number, since it is smaller than the sum of its proper divisors (329025650358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320011248138 is a wasteful number, since it uses less digits than its factorization.

320011248138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751200189.

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 320011248138 in words is "three hundred twenty billion, eleven million, two hundred forty-eight thousand, one hundred thirty-eight".