3143213985 has 16 divisors (see below), whose sum is σ = 5293834560. Its totient is φ = 1588150080.

The previous prime is 3143213959. The next prime is 3143213987. The reversal of 3143213985 is 5893123413.

It is a happy number.

It is not a de Polignac number, because 3143213985 - 2²³ = 3134825377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3143213987) 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 15 ways as a sum of consecutive naturals, for example, 5514126 + ... + 5514695.

It is an arithmetic number, because the mean of its divisors is an integer number (330864660).

Almost surely, 2^3143213985 is an apocalyptic number.

It is an amenable number.

3143213985 is a deficient number, since it is larger than the sum of its proper divisors (2150620575).

3143213985 is a wasteful number, since it uses less digits than its factorization.

3143213985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11028848.

The product of its digits is 77760, while the sum is 39.

The square root of 3143213985 is about 56064.3735807331. The cubic root of 3143213985 is about 1464.8437959312.

The spelling of 3143213985 in words is "three billion, one hundred forty-three million, two hundred thirteen thousand, nine hundred eighty-five".