320013211240 has 32 divisors (see below), whose sum is σ = 751335367680. Its totient is φ = 122439836992.

The previous prime is 320013211127. The next prime is 320013211253. The reversal of 320013211240 is 42112310023.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173919304 + ... + 173921143.

It is an arithmetic number, because the mean of its divisors is an integer number (23479230240).

Almost surely, 2^320013211240 is an apocalyptic number.

It is an amenable number.

320013211240 is an abundant number, since it is smaller than the sum of its proper divisors (431322156440).

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

320013211240 is a wasteful number, since it uses less digits than its factorization.

320013211240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347840481 (or 347840477 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 320013211240 its reverse (42112310023), we get a palindrome (362125521263).

The spelling of 320013211240 in words is "three hundred twenty billion, thirteen million, two hundred eleven thousand, two hundred forty".