213140412330 has 64 divisors (see below), whose sum is σ = 522583584768. Its totient is φ = 55610798400.

The previous prime is 213140412323. The next prime is 213140412347. The reversal of 213140412330 is 33214041312.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 213140412330.

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, 4861005 + ... + 4904655.

It is an arithmetic number, because the mean of its divisors is an integer number (8165368512).

Almost surely, 2^213140412330 is an apocalyptic number.

213140412330 is an abundant number, since it is smaller than the sum of its proper divisors (309443172438).

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

213140412330 is a wasteful number, since it uses less digits than its factorization.

213140412330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47171.

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

Adding to 213140412330 its reverse (33214041312), we get a palindrome (246354453642).

The spelling of 213140412330 in words is "two hundred thirteen billion, one hundred forty million, four hundred twelve thousand, three hundred thirty".