323003131020 has 72 divisors (see below), whose sum is σ = 979876060800. Its totient is φ = 86125386240.

The previous prime is 323003130973. The next prime is 323003131069. The reversal of 323003131020 is 20131300323.

323003131020 is a `hidden beast` number, since 3 + 2 + 300 + 31 + 310 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 323003130984 and 323003131002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1785540 + ... + 1958100.

Almost surely, 2^323003131020 is an apocalyptic number.

323003131020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323003131020 is an abundant number, since it is smaller than the sum of its proper divisors (656872929780).

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

323003131020 is a wasteful number, since it uses less digits than its factorization.

323003131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182975 (or 182970 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 323003131020 its reverse (20131300323), we get a palindrome (343134431343).

The spelling of 323003131020 in words is "three hundred twenty-three billion, three million, one hundred thirty-one thousand, twenty".