320030228643 has 16 divisors (see below), whose sum is σ = 438435837600. Its totient is φ = 207494217216.

The previous prime is 320030228633. The next prime is 320030228681. The reversal of 320030228643 is 346822030023.

It is not a de Polignac number, because 320030228643 - 2⁸ = 320030228387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320030228603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396118 + ... + 892731.

It is an arithmetic number, because the mean of its divisors is an integer number (27402239850).

Almost surely, 2^320030228643 is an apocalyptic number.

320030228643 is a deficient number, since it is larger than the sum of its proper divisors (118405608957).

320030228643 is a wasteful number, since it uses less digits than its factorization.

320030228643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291126.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 320030228643 its reverse (346822030023), we get a palindrome (666852258666).

The spelling of 320030228643 in words is "three hundred twenty billion, thirty million, two hundred twenty-eight thousand, six hundred forty-three".