143031422000 has 160 divisors (see below), whose sum is σ = 358233857280. Its totient is φ = 55169049600.

The previous prime is 143031421997. The next prime is 143031422021. The reversal of 143031422000 is 224130341.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82533134 + ... + 82534866.

It is an arithmetic number, because the mean of its divisors is an integer number (2238961608).

Almost surely, 2^143031422000 is an apocalyptic number.

143031422000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143031422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179116928640).

143031422000 is an abundant number, since it is smaller than the sum of its proper divisors (215202435280).

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

143031422000 is a wasteful number, since it uses less digits than its factorization.

143031422000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208 (or 3192 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 143031422000 its reverse (224130341), we get a palindrome (143255552341).

The spelling of 143031422000 in words is "one hundred forty-three billion, thirty-one million, four hundred twenty-two thousand".