3121313223130 has 16 divisors (see below), whose sum is σ = 5622715772064. Its totient is φ = 1247558184720.

The previous prime is 3121313223037. The next prime is 3121313223131. The reversal of 3121313223130 is 313223131213.

3121313223130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3121313223095 and 3121313223104.

It is not an unprimeable number, because it can be changed into a prime (3121313223131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120874512 + ... + 120900331.

It is an arithmetic number, because the mean of its divisors is an integer number (351419735754).

Almost surely, 2^{3121313223130} is an apocalyptic number.

3121313223130 is a deficient number, since it is larger than the sum of its proper divisors (2501402548934).

3121313223130 is a wasteful number, since it uses less digits than its factorization.

3121313223130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241776141.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3121313223130 its reverse (313223131213), we get a palindrome (3434536354343).

The spelling of 3121313223130 in words is "three trillion, one hundred twenty-one billion, three hundred thirteen million, two hundred twenty-three thousand, one hundred thirty".