3143345240 has 32 divisors (see below), whose sum is σ = 8082888480. Its totient is φ = 1077718272.

The previous prime is 3143345221. The next prime is 3143345243. The reversal of 3143345240 is 425433413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143345243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5612837 + ... + 5613396.

It is an arithmetic number, because the mean of its divisors is an integer number (252590265).

Almost surely, 2^3143345240 is an apocalyptic number.

It is an amenable number.

3143345240 is an abundant number, since it is smaller than the sum of its proper divisors (4939543240).

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

3143345240 is a wasteful number, since it uses less digits than its factorization.

3143345240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11226251 (or 11226247 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 3143345240 is about 56065.5441425480. The cubic root of 3143345240 is about 1464.8641854006.

Adding to 3143345240 its reverse (425433413), we get a palindrome (3568778653).

The spelling of 3143345240 in words is "three billion, one hundred forty-three million, three hundred forty-five thousand, two hundred forty".