3143212420 has 48 divisors (see below), whose sum is σ = 6748697088. Its totient is φ = 1229164160.

The previous prime is 3143212411. The next prime is 3143212441. The reversal of 3143212420 is 242123413.

It is a junction number, because it is equal to n+sod(n) for n = 3143212391 and 3143212400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1419234 + ... + 1421446.

It is an arithmetic number, because the mean of its divisors is an integer number (140597856).

Almost surely, 2^3143212420 is an apocalyptic number.

It is an amenable number.

3143212420 is an abundant number, since it is smaller than the sum of its proper divisors (3605484668).

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

3143212420 is a wasteful number, since it uses less digits than its factorization.

3143212420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780 (or 3778 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3143212420 is about 56064.3596235612. The cubic root of 3143212420 is about 1464.8435528169.

Adding to 3143212420 its reverse (242123413), we get a palindrome (3385335833).

The spelling of 3143212420 in words is "three billion, one hundred forty-three million, two hundred twelve thousand, four hundred twenty".