143431000312 has 8 divisors (see below), whose sum is σ = 268933125600. Its totient is φ = 71715500152.

The previous prime is 143431000301. The next prime is 143431000367. The reversal of 143431000312 is 213000134341.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8964437512 + ... + 8964437527.

It is an arithmetic number, because the mean of its divisors is an integer number (33616640700).

Almost surely, 2^143431000312 is an apocalyptic number.

It is an amenable number.

143431000312 is a deficient number, since it is larger than the sum of its proper divisors (125502125288).

143431000312 is a wasteful number, since it uses less digits than its factorization.

143431000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17928875045 (or 17928875041 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 143431000312 its reverse (213000134341), we get a palindrome (356431134653).

The spelling of 143431000312 in words is "one hundred forty-three billion, four hundred thirty-one million, three hundred twelve", and thus it is an aban number.