1311240314 has 8 divisors (see below), whose sum is σ = 1973811360. Its totient is φ = 653303196.

The previous prime is 1311240257. The next prime is 1311240319. The reversal of 1311240314 is 4130421131.

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

It is a super-2 number, since 2×1311240314² = 3438702322117637192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311240319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157774 + ... + 1158905.

It is an arithmetic number, because the mean of its divisors is an integer number (246726420).

Almost surely, 2^1311240314 is an apocalyptic number.

1311240314 is a deficient number, since it is larger than the sum of its proper divisors (662571046).

1311240314 is a wasteful number, since it uses less digits than its factorization.

1311240314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316964.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1311240314 is about 36211.0523735503. The cubic root of 1311240314 is about 1094.5293986335.

Adding to 1311240314 its reverse (4130421131), we get a palindrome (5441661445).

The spelling of 1311240314 in words is "one billion, three hundred eleven million, two hundred forty thousand, three hundred fourteen".