320103140 has 48 divisors (see below), whose sum is σ = 770214144. Its totient is φ = 109468800.

The previous prime is 320103101. The next prime is 320103193. The reversal of 320103140 is 41301023.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56225 + ... + 61655.

It is an arithmetic number, because the mean of its divisors is an integer number (16046128).

Almost surely, 2^320103140 is an apocalyptic number.

It is an amenable number.

320103140 is an abundant number, since it is smaller than the sum of its proper divisors (450111004).

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

320103140 is a wasteful number, since it uses less digits than its factorization.

320103140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868 (or 5866 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 320103140 is about 17891.4264383810. The cubic root of 320103140 is about 684.0638569932.

Adding to 320103140 its reverse (41301023), we get a palindrome (361404163).

The spelling of 320103140 in words is "three hundred twenty million, one hundred three thousand, one hundred forty".