1311341330 has 32 divisors (see below), whose sum is σ = 2601111744. Its totient is φ = 472925376.

The previous prime is 1311341329. The next prime is 1311341347. The reversal of 1311341330 is 331431131.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111704 + ... + 122883.

It is an arithmetic number, because the mean of its divisors is an integer number (81284742).

Almost surely, 2^1311341330 is an apocalyptic number.

1311341330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311341330 is a deficient number, since it is larger than the sum of its proper divisors (1289770414).

1311341330 is a wasteful number, since it uses less digits than its factorization.

1311341330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234650.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1311341330 is about 36212.4471694471. The cubic root of 1311341330 is about 1094.5575048831.

Adding to 1311341330 its reverse (331431131), we get a palindrome (1642772461).

The spelling of 1311341330 in words is "one billion, three hundred eleven million, three hundred forty-one thousand, three hundred thirty".