143442032311 has 4 divisors (see below), whose sum is σ = 143445334824. Its totient is φ = 143438729800.

The previous prime is 143442032303. The next prime is 143442032317. The reversal of 143442032311 is 113230244341.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143442032311 - 2³ = 143442032303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143442032311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143442032317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585225 + ... + 1673266.

It is an arithmetic number, because the mean of its divisors is an integer number (35861333706).

Almost surely, 2^143442032311 is an apocalyptic number.

143442032311 is a deficient number, since it is larger than the sum of its proper divisors (3302513).

143442032311 is an equidigital number, since it uses as much as digits as its factorization.

143442032311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302512.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 143442032311 its reverse (113230244341), we get a palindrome (256672276652).

The spelling of 143442032311 in words is "one hundred forty-three billion, four hundred forty-two million, thirty-two thousand, three hundred eleven".