240143620313 has 12 divisors (see below), whose sum is σ = 244105165332. Its totient is φ = 236245173120.

The previous prime is 240143620303. The next prime is 240143620349. The reversal of 240143620313 is 313026341042.

It can be written as a sum of positive squares in 2 ways, for example, as 65128571209 + 175015049104 = 255203^2 + 418348^2 .

It is not a de Polignac number, because 240143620313 - 2¹² = 240143616217 is a prime.

It is a super-3 number, since 3×240143620313³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240143620303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3380981 + ... + 3451277.

It is an arithmetic number, because the mean of its divisors is an integer number (20342097111).

Almost surely, 2^240143620313 is an apocalyptic number.

It is an amenable number.

240143620313 is a deficient number, since it is larger than the sum of its proper divisors (3961545019).

240143620313 is an frugal number, since it uses more digits than its factorization.

240143620313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71192 (or 71125 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 240143620313 its reverse (313026341042), we get a palindrome (553169961355).

The spelling of 240143620313 in words is "two hundred forty billion, one hundred forty-three million, six hundred twenty thousand, three hundred thirteen".