1311404014 has 4 divisors (see below), whose sum is σ = 1967106024. Its totient is φ = 655702006.

The previous prime is 1311403993. The next prime is 1311404093. The reversal of 1311404014 is 4104041131.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1311403982 and 1311404000.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 327851002 + ... + 327851005.

It is an arithmetic number, because the mean of its divisors is an integer number (491776506).

Almost surely, 2^1311404014 is an apocalyptic number.

1311404014 is a deficient number, since it is larger than the sum of its proper divisors (655702010).

1311404014 is an equidigital number, since it uses as much as digits as its factorization.

1311404014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655702009.

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

The square root of 1311404014 is about 36213.3126626107. The cubic root of 1311404014 is about 1094.5749450791.

Adding to 1311404014 its reverse (4104041131), we get a palindrome (5415445145).

The spelling of 1311404014 in words is "one billion, three hundred eleven million, four hundred four thousand, fourteen".