240203142313 has 4 divisors (see below), whose sum is σ = 240985563280. Its totient is φ = 239420721348.

The previous prime is 240203142287. The next prime is 240203142349. The reversal of 240203142313 is 313241302042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240203142313 - 2⁵ = 240203142281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240203145313) 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, 391210023 + ... + 391210636.

It is an arithmetic number, because the mean of its divisors is an integer number (60246390820).

Almost surely, 2^240203142313 is an apocalyptic number.

It is an amenable number.

240203142313 is a deficient number, since it is larger than the sum of its proper divisors (782420967).

240203142313 is an equidigital number, since it uses as much as digits as its factorization.

240203142313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782420966.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 240203142313 its reverse (313241302042), we get a palindrome (553444444355).

The spelling of 240203142313 in words is "two hundred forty billion, two hundred three million, one hundred forty-two thousand, three hundred thirteen".