240242313 has 16 divisors (see below), whose sum is σ = 322705152. Its totient is φ = 158976000.

The previous prime is 240242309. The next prime is 240242323. The reversal of 240242313 is 313242042.

240242313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 240242313 - 2² = 240242309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240242313.

It is not an unprimeable number, because it can be changed into a prime (240242323) 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, 374473 + ... + 375113.

It is an arithmetic number, because the mean of its divisors is an integer number (20169072).

Almost surely, 2^240242313 is an apocalyptic number.

It is an amenable number.

240242313 is a deficient number, since it is larger than the sum of its proper divisors (82462839).

240242313 is a wasteful number, since it uses less digits than its factorization.

240242313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 240242313 is about 15499.7520302745. The cubic root of 240242313 is about 621.6555760739.

Adding to 240242313 its reverse (313242042), we get a palindrome (553484355).

The spelling of 240242313 in words is "two hundred forty million, two hundred forty-two thousand, three hundred thirteen".