3121130002020 has 48 divisors (see below), whose sum is σ = 8741299842240. Its totient is φ = 832097920896.

The previous prime is 3121130002019. The next prime is 3121130002021. The reversal of 3121130002020 is 202000311213.

3121130002020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3121130002019) and next prime (3121130002021).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (3121130002021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6109030 + ... + 6600189.

It is an arithmetic number, because the mean of its divisors is an integer number (182110413380).

Almost surely, 2^{3121130002020} is an apocalyptic number.

3121130002020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3121130002020 is an abundant number, since it is smaller than the sum of its proper divisors (5620169840220).

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

3121130002020 is a wasteful number, since it uses less digits than its factorization.

3121130002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12713324 (or 12713322 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 3121130002020 its reverse (202000311213), we get a palindrome (3323130313233).

The spelling of 3121130002020 in words is "three trillion, one hundred twenty-one billion, one hundred thirty million, two thousand, twenty".