323031020 has 48 divisors (see below), whose sum is σ = 739398240. Its totient is φ = 117828096.

The previous prime is 323031011. The next prime is 323031031. The reversal of 323031020 is 20130323.

It is a junction number, because it is equal to n+sod(n) for n = 323030986 and 323031004.

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, 14096 + ... + 29064.

It is an arithmetic number, because the mean of its divisors is an integer number (15404130).

Almost surely, 2^323031020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323031020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369699120).

323031020 is an abundant number, since it is smaller than the sum of its proper divisors (416367220).

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

323031020 is a wasteful number, since it uses less digits than its factorization.

323031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15074 (or 15072 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 323031020 is about 17973.0637343776. The cubic root of 323031020 is about 686.1431672564.

Adding to 323031020 its reverse (20130323), we get a palindrome (343161343).

The spelling of 323031020 in words is "three hundred twenty-three million, thirty-one thousand, twenty".