320031241240 has 16 divisors (see below), whose sum is σ = 720070292880. Its totient is φ = 128012496480.

The previous prime is 320031241217. The next prime is 320031241249. The reversal of 320031241240 is 42142130023.

It is a super-3 number, since 3×320031241240³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320031241249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4000390476 + ... + 4000390555.

It is an arithmetic number, because the mean of its divisors is an integer number (45004393305).

Almost surely, 2^320031241240 is an apocalyptic number.

It is an amenable number.

320031241240 is an abundant number, since it is smaller than the sum of its proper divisors (400039051640).

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

320031241240 is a wasteful number, since it uses less digits than its factorization.

320031241240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8000781042 (or 8000781038 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 320031241240 its reverse (42142130023), we get a palindrome (362173371263).

The spelling of 320031241240 in words is "three hundred twenty billion, thirty-one million, two hundred forty-one thousand, two hundred forty".