3141135220 has 144 divisors (see below), whose sum is σ = 7290783360. Its totient is φ = 1135872000.

The previous prime is 3141135209. The next prime is 3141135287. The reversal of 3141135220 is 225311413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3141135191 and 3141135200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20802145 + ... + 20802295.

It is an arithmetic number, because the mean of its divisors is an integer number (50630440).

Almost surely, 2^3141135220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3141135220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3645391680).

3141135220 is an abundant number, since it is smaller than the sum of its proper divisors (4149648140).

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

3141135220 is a wasteful number, since it uses less digits than its factorization.

3141135220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3141135220 is about 56045.8314239338. The cubic root of 3141135220 is about 1464.5207998344.

Adding to 3141135220 its reverse (225311413), we get a palindrome (3366446633).

The spelling of 3141135220 in words is "three billion, one hundred forty-one million, one hundred thirty-five thousand, two hundred twenty".