143113312 has 24 divisors (see below), whose sum is σ = 282514176. Its totient is φ = 71363712.

The previous prime is 143113309. The next prime is 143113343. The reversal of 143113312 is 213311341.

It is a self number, because there is not a number n which added to its sum of digits gives 143113312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6418 + ... + 18094.

It is an arithmetic number, because the mean of its divisors is an integer number (11771424).

Almost surely, 2^143113312 is an apocalyptic number.

It is an amenable number.

143113312 is a deficient number, since it is larger than the sum of its proper divisors (139400864).

143113312 is a wasteful number, since it uses less digits than its factorization.

143113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12070 (or 12062 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 143113312 is about 11962.9976176542. The cubic root of 143113312 is about 523.0702390593.

Adding to 143113312 its reverse (213311341), we get a palindrome (356424653).

The spelling of 143113312 in words is "one hundred forty-three million, one hundred thirteen thousand, three hundred twelve".