240313430213021 has 16 divisors (see below), whose sum is σ = 265345637114880. Its totient is φ = 215812680454320.

The previous prime is 240313430212967. The next prime is 240313430213023. The reversal of 240313430213021 is 120312034313042.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240313430213021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240313430213023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4392995 + ... + 22359008.

It is an arithmetic number, because the mean of its divisors is an integer number (16584102319680).

Almost surely, 2^{240313430213021} is an apocalyptic number.

It is an amenable number.

240313430213021 is a deficient number, since it is larger than the sum of its proper divisors (25032206901859).

240313430213021 is a wasteful number, since it uses less digits than its factorization.

240313430213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26761936.

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

Adding to 240313430213021 its reverse (120312034313042), we get a palindrome (360625464526063).

The spelling of 240313430213021 in words is "two hundred forty trillion, three hundred thirteen billion, four hundred thirty million, two hundred thirteen thousand, twenty-one".