328499031 has 8 divisors (see below), whose sum is σ = 500569984. Its totient is φ = 187713720.

The previous prime is 328499029. The next prime is 328499053. The reversal of 328499031 is 130994823.

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

It is not a de Polignac number, because 328499031 - 2¹ = 328499029 is a prime.

It is a super-2 number, since 2×328499031² = 215823226735877922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328499021) 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, 7821385 + ... + 7821426.

It is an arithmetic number, because the mean of its divisors is an integer number (62571248).

Almost surely, 2^328499031 is an apocalyptic number.

328499031 is a deficient number, since it is larger than the sum of its proper divisors (172070953).

328499031 is a wasteful number, since it uses less digits than its factorization.

328499031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15642821.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 328499031 is about 18124.5422287019. The cubic root of 328499031 is about 689.9930203033.

The spelling of 328499031 in words is "three hundred twenty-eight million, four hundred ninety-nine thousand, thirty-one".