320103139 has 4 divisors (see below), whose sum is σ = 321259024. Its totient is φ = 318947256.

The previous prime is 320103101. The next prime is 320103193. The reversal of 320103139 is 931301023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931301023 = 239 ⋅3896657.

It is a cyclic number.

It is not a de Polignac number, because 320103139 - 2¹³ = 320094947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320103439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577527 + ... + 578080.

It is an arithmetic number, because the mean of its divisors is an integer number (80314756).

Almost surely, 2^320103139 is an apocalyptic number.

320103139 is a deficient number, since it is larger than the sum of its proper divisors (1155885).

320103139 is a wasteful number, since it uses less digits than its factorization.

320103139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155884.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 320103139 is about 17891.4264104347. The cubic root of 320103139 is about 684.0638562809.

The spelling of 320103139 in words is "three hundred twenty million, one hundred three thousand, one hundred thirty-nine".