240021342313 has 8 divisors (see below), whose sum is σ = 267516047520. Its totient is φ = 214012837440.

The previous prime is 240021342311. The next prime is 240021342343. The reversal of 240021342313 is 313243120042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240021342313 - 2¹ = 240021342311 is a prime.

It is a super-2 number, since 2×240021342313² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240021342311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371549743 + ... + 371550388.

It is an arithmetic number, because the mean of its divisors is an integer number (33439505940).

Almost surely, 2^240021342313 is an apocalyptic number.

It is an amenable number.

240021342313 is a deficient number, since it is larger than the sum of its proper divisors (27494705207).

240021342313 is a wasteful number, since it uses less digits than its factorization.

240021342313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743100167.

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

Adding to 240021342313 its reverse (313243120042), we get a palindrome (553264462355).

The spelling of 240021342313 in words is "two hundred forty billion, twenty-one million, three hundred forty-two thousand, three hundred thirteen".