302143213140 has 48 divisors (see below), whose sum is σ = 848703928128. Its totient is φ = 80314101504.

The previous prime is 302143213139. The next prime is 302143213157. The reversal of 302143213140 is 41312341203.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 302143213140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8025502 + ... + 8063061.

It is an arithmetic number, because the mean of its divisors is an integer number (17681331836).

Almost surely, 2^302143213140 is an apocalyptic number.

302143213140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

302143213140 is an abundant number, since it is smaller than the sum of its proper divisors (546560714988).

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

302143213140 is a wasteful number, since it uses less digits than its factorization.

302143213140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16088888 (or 16088886 counting only the distinct ones).

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

Adding to 302143213140 its reverse (41312341203), we get a palindrome (343455554343).

The spelling of 302143213140 in words is "three hundred two billion, one hundred forty-three million, two hundred thirteen thousand, one hundred forty".