213242131140 has 96 divisors (see below), whose sum is σ = 641875691520. Its totient is φ = 52725476736.

The previous prime is 213242131139. The next prime is 213242131171. The reversal of 213242131140 is 41131242312.

It is a self number, because there is not a number n which added to its sum of digits gives 213242131140.

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 31 ways as a sum of consecutive naturals, for example, 1936362 + ... + 2043521.

It is an arithmetic number, because the mean of its divisors is an integer number (6686205120).

Almost surely, 2^213242131140 is an apocalyptic number.

213242131140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213242131140 is an abundant number, since it is smaller than the sum of its proper divisors (428633560380).

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

213242131140 is a wasteful number, since it uses less digits than its factorization.

213242131140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979961 (or 3979959 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 213242131140 its reverse (41131242312), we get a palindrome (254373373452).

The spelling of 213242131140 in words is "two hundred thirteen billion, two hundred forty-two million, one hundred thirty-one thousand, one hundred forty".