328431617603 has 8 divisors (see below), whose sum is σ = 332453388288. Its totient is φ = 324411389064.

The previous prime is 328431617593. The next prime is 328431617611. The reversal of 328431617603 is 306716134823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328431617603 - 2³² = 324136650307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328431617303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45950 + ... + 811772.

It is an arithmetic number, because the mean of its divisors is an integer number (41556673536).

Almost surely, 2^328431617603 is an apocalyptic number.

328431617603 is a deficient number, since it is larger than the sum of its proper divisors (4021770685).

328431617603 is an equidigital number, since it uses as much as digits as its factorization.

328431617603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771073.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 328431617603 in words is "three hundred twenty-eight billion, four hundred thirty-one million, six hundred seventeen thousand, six hundred three".