1240230313 has 16 divisors (see below), whose sum is σ = 1461657600. Its totient is φ = 1030306896.

The previous prime is 1240230293. The next prime is 1240230323. The reversal of 1240230313 is 3130320421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240230313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240230323) 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, 15588 + ... + 52186.

It is an arithmetic number, because the mean of its divisors is an integer number (91353600).

Almost surely, 2^1240230313 is an apocalyptic number.

It is an amenable number.

1240230313 is a deficient number, since it is larger than the sum of its proper divisors (221427287).

1240230313 is a wasteful number, since it uses less digits than its factorization.

1240230313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36756.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1240230313 is about 35216.9037963305. The cubic root of 1240230313 is about 1074.4035813320.

Adding to 1240230313 its reverse (3130320421), we get a palindrome (4370550734).

The spelling of 1240230313 in words is "one billion, two hundred forty million, two hundred thirty thousand, three hundred thirteen".