3121014220 has 24 divisors (see below), whose sum is σ = 6780135600. Its totient is φ = 1205356992.

The previous prime is 3121014209. The next prime is 3121014229. The reversal of 3121014220 is 224101213.

3121014220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3121014220² = 19481459522884416800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3121014194 and 3121014203.

It is not an unprimeable number, because it can be changed into a prime (3121014229) 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, 2689950 + ... + 2691109.

It is an arithmetic number, because the mean of its divisors is an integer number (282505650).

Almost surely, 2^3121014220 is an apocalyptic number.

It is an amenable number.

3121014220 is an abundant number, since it is smaller than the sum of its proper divisors (3659121380).

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

3121014220 is a wasteful number, since it uses less digits than its factorization.

3121014220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381097 (or 5381095 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3121014220 is about 55866.0381627335. The cubic root of 3121014220 is about 1461.3870317816.

Adding to 3121014220 its reverse (224101213), we get a palindrome (3345115433).

The spelling of 3121014220 in words is "three billion, one hundred twenty-one million, fourteen thousand, two hundred twenty".