3144111220 has 12 divisors (see below), whose sum is σ = 6602633604. Its totient is φ = 1257644480.

The previous prime is 3144111181. The next prime is 3144111287. The reversal of 3144111220 is 221114413.

It can be written as a sum of positive squares in 2 ways, for example, as 1912662756 + 1231448464 = 43734^2 + 35092^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78602761 + ... + 78602800.

It is an arithmetic number, because the mean of its divisors is an integer number (550219467).

Almost surely, 2^3144111220 is an apocalyptic number.

It is an amenable number.

3144111220 is an abundant number, since it is smaller than the sum of its proper divisors (3458522384).

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

3144111220 is a wasteful number, since it uses less digits than its factorization.

3144111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157205570 (or 157205568 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 3144111220 is about 56072.3748382392. The cubic root of 3144111220 is about 1464.9831632679.

Adding to 3144111220 its reverse (221114413), we get a palindrome (3365225633).

The spelling of 3144111220 in words is "three billion, one hundred forty-four million, one hundred eleven thousand, two hundred twenty".