301143430140 has 192 divisors, whose sum is σ = 1026847632384. Its totient is φ = 64370921472.

The previous prime is 301143430139. The next prime is 301143430193. The reversal of 301143430140 is 41034341103.

It is a self number, because there is not a number n which added to its sum of digits gives 301143430140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 986659 + ... + 1255301.

It is an arithmetic number, because the mean of its divisors is an integer number (5348164752).

Almost surely, 2^301143430140 is an apocalyptic number.

301143430140 is a gapful number since it is divisible by the number (30) 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 301143430140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513423816192).

301143430140 is an abundant number, since it is smaller than the sum of its proper divisors (725704202244).

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

301143430140 is a wasteful number, since it uses less digits than its factorization.

301143430140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268836 (or 268834 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 301143430140 its reverse (41034341103), we get a palindrome (342177771243).

The spelling of 301143430140 in words is "three hundred one billion, one hundred forty-three million, four hundred thirty thousand, one hundred forty".