3143518221 has 16 divisors (see below), whose sum is σ = 4224729600. Its totient is φ = 2079016368.

The previous prime is 3143518201. The next prime is 3143518247. The reversal of 3143518221 is 1228153413.

3143518221 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 a de Polignac number, because 3143518221 - 2¹⁹ = 3142993933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143518201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843400 + ... + 847118.

It is an arithmetic number, because the mean of its divisors is an integer number (264045600).

Almost surely, 2^3143518221 is an apocalyptic number.

It is an amenable number.

3143518221 is a deficient number, since it is larger than the sum of its proper divisors (1081211379).

3143518221 is a wasteful number, since it uses less digits than its factorization.

3143518221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5888.

The product of its digits is 5760, while the sum is 30.

The square root of 3143518221 is about 56067.0867889531. The cubic root of 3143518221 is about 1464.8910558209.

The spelling of 3143518221 in words is "three billion, one hundred forty-three million, five hundred eighteen thousand, two hundred twenty-one".