3143938380 has 96 divisors (see below), whose sum is σ = 9621497088. Its totient is φ = 760723200.

The previous prime is 3143938363. The next prime is 3143938387. The reversal of 3143938380 is 838393413.

It is a happy number.

3143938380 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3143938387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367350 + ... + 375810.

It is an arithmetic number, because the mean of its divisors is an integer number (100223928).

Almost surely, 2^3143938380 is an apocalyptic number.

3143938380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3143938380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4810748544).

3143938380 is an abundant number, since it is smaller than the sum of its proper divisors (6477558708).

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

3143938380 is a wasteful number, since it uses less digits than its factorization.

3143938380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9047 (or 9045 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 3143938380 is about 56070.8335946595. The cubic root of 3143938380 is about 1464.9563181266.

The spelling of 3143938380 in words is "three billion, one hundred forty-three million, nine hundred thirty-eight thousand, three hundred eighty".