1311334454 has 8 divisors (see below), whose sum is σ = 1967155320. Its totient is φ = 655616016.

The previous prime is 1311334439. The next prime is 1311334459. The reversal of 1311334454 is 4544331131.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311334459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38402 + ... + 64010.

It is an arithmetic number, because the mean of its divisors is an integer number (245894415).

Almost surely, 2^1311334454 is an apocalyptic number.

1311334454 is a deficient number, since it is larger than the sum of its proper divisors (655820866).

1311334454 is a wasteful number, since it uses less digits than its factorization.

1311334454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51214.

The product of its digits is 8640, while the sum is 29.

The square root of 1311334454 is about 36212.3522295915. The cubic root of 1311334454 is about 1094.5555917807. Note that the first 4 decimals are identical.

Adding to 1311334454 its reverse (4544331131), we get a palindrome (5855665585).

The spelling of 1311334454 in words is "one billion, three hundred eleven million, three hundred thirty-four thousand, four hundred fifty-four".