3031030020 has 48 divisors (see below), whose sum is σ = 8489855808. Its totient is φ = 807991680.

The previous prime is 3031030019. The next prime is 3031030063. The reversal of 3031030020 is 200301303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3031029978 and 3031030005.

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, 207807 + ... + 221913.

It is an arithmetic number, because the mean of its divisors is an integer number (176871996).

Almost surely, 2^3031030020 is an apocalyptic number.

3031030020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3031030020 is an abundant number, since it is smaller than the sum of its proper divisors (5458825788).

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

3031030020 is a wasteful number, since it uses less digits than its factorization.

3031030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17700 (or 17698 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 3031030020 is about 55054.7910721674. The cubic root of 3031030020 is about 1447.2050830827.

Adding to 3031030020 its reverse (200301303), we get a palindrome (3231331323).

The spelling of 3031030020 in words is "three billion, thirty-one million, thirty thousand, twenty".