1311331314 has 16 divisors (see below), whose sum is σ = 2626510752. Its totient is φ = 436469088.

The previous prime is 1311331297. The next prime is 1311331321. The reversal of 1311331314 is 4131331131.

1311331314 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155899 + ... + 164094.

It is an arithmetic number, because the mean of its divisors is an integer number (164156922).

Almost surely, 2^1311331314 is an apocalyptic number.

1311331314 is an abundant number, since it is smaller than the sum of its proper divisors (1315179438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311331314 is a wasteful number, since it uses less digits than its factorization.

1311331314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320681.

The product of its digits is 324, while the sum is 21.

The square root of 1311331314 is about 36212.3088741936. The cubic root of 1311331314 is about 1094.5547181396.

Adding to 1311331314 its reverse (4131331131), we get a palindrome (5442662445).

The spelling of 1311331314 in words is "one billion, three hundred eleven million, three hundred thirty-one thousand, three hundred fourteen".