320100303428 has 12 divisors (see below), whose sum is σ = 563529876672. Its totient is φ = 159091767240.

The previous prime is 320100303407. The next prime is 320100303433. The reversal of 320100303428 is 824303001023.

It is a junction number, because it is equal to n+sod(n) for n = 320100303397 and 320100303406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239595368 + ... + 239596703.

It is an arithmetic number, because the mean of its divisors is an integer number (46960823056).

Almost surely, 2^320100303428 is an apocalyptic number.

It is an amenable number.

320100303428 is a deficient number, since it is larger than the sum of its proper divisors (243429573244).

320100303428 is a wasteful number, since it uses less digits than its factorization.

320100303428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479192242 (or 479192240 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 320100303428 in words is "three hundred twenty billion, one hundred million, three hundred three thousand, four hundred twenty-eight".