143131163320 has 32 divisors (see below), whose sum is σ = 322308551520. Its totient is φ = 57205632640.

The previous prime is 143131163309. The next prime is 143131163327. The reversal of 143131163320 is 23361131341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143131163327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413991 + ... + 1511830.

It is an arithmetic number, because the mean of its divisors is an integer number (10072142235).

Almost surely, 2^143131163320 is an apocalyptic number.

143131163320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143131163320 is an abundant number, since it is smaller than the sum of its proper divisors (179177388200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143131163320 is a wasteful number, since it uses less digits than its factorization.

143131163320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927055 (or 2927051 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 143131163320 its reverse (23361131341), we get a palindrome (166492294661).

The spelling of 143131163320 in words is "one hundred forty-three billion, one hundred thirty-one million, one hundred sixty-three thousand, three hundred twenty".