3121230021130 has 64 divisors (see below), whose sum is σ = 6380471583360. Its totient is φ = 1089802232064.

The previous prime is 3121230021113. The next prime is 3121230021179. The reversal of 3121230021130 is 311200321213.

3121230021130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 3121230021098 and 3121230021107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196012 + ... + 2506168.

It is an arithmetic number, because the mean of its divisors is an integer number (99694868490).

Almost surely, 2^{3121230021130} is an apocalyptic number.

3121230021130 is an abundant number, since it is smaller than the sum of its proper divisors (3259241562230).

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

3121230021130 is a wasteful number, since it uses less digits than its factorization.

3121230021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310743.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 3121230021130 its reverse (311200321213), we get a palindrome (3432430342343).

The spelling of 3121230021130 in words is "three trillion, one hundred twenty-one billion, two hundred thirty million, twenty-one thousand, one hundred thirty".