1311242014 has 8 divisors (see below), whose sum is σ = 1970870328. Its totient is φ = 654285240.

The previous prime is 1311241979. The next prime is 1311242017. The reversal of 1311242014 is 4102421131.

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

It is a junction number, because it is equal to n+sod(n) for n = 1311241982 and 1311242000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311242017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666657 + ... + 668620.

It is an arithmetic number, because the mean of its divisors is an integer number (246358791).

Almost surely, 2^1311242014 is an apocalyptic number.

1311242014 is a deficient number, since it is larger than the sum of its proper divisors (659628314).

1311242014 is a wasteful number, since it uses less digits than its factorization.

1311242014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335770.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1311242014 is about 36211.0758470388. The cubic root of 1311242014 is about 1094.5298716460.

Adding to 1311242014 its reverse (4102421131), we get a palindrome (5413663145).

The spelling of 1311242014 in words is "one billion, three hundred eleven million, two hundred forty-two thousand, fourteen".