301243143140 has 12 divisors (see below), whose sum is σ = 632610600636. Its totient is φ = 120497257248.

The previous prime is 301243143133. The next prime is 301243143169. The reversal of 301243143140 is 41341342103.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 102635655424 + 198607487716 = 320368^2 + 445654^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7531078559 + ... + 7531078598.

It is an arithmetic number, because the mean of its divisors is an integer number (52717550053).

Almost surely, 2^301243143140 is an apocalyptic number.

It is an amenable number.

301243143140 is an abundant number, since it is smaller than the sum of its proper divisors (331367457496).

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

301243143140 is a wasteful number, since it uses less digits than its factorization.

301243143140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15062157166 (or 15062157164 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 301243143140 its reverse (41341342103), we get a palindrome (342584485243).

The spelling of 301243143140 in words is "three hundred one billion, two hundred forty-three million, one hundred forty-three thousand, one hundred forty".