1311146346 has 8 divisors (see below), whose sum is σ = 2622292704. Its totient is φ = 437048780.

The previous prime is 1311146341. The next prime is 1311146351. The reversal of 1311146346 is 6436411131.

It is an interprime number because it is at equal distance from previous prime (1311146341) and next prime (1311146351).

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

1311146346 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1311146341) 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, 109262190 + ... + 109262201.

It is an arithmetic number, because the mean of its divisors is an integer number (327786588).

Almost surely, 2^1311146346 is an apocalyptic number.

1311146346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1311146346 is a wasteful number, since it uses less digits than its factorization.

1311146346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218524396.

The product of its digits is 5184, while the sum is 30.

The square root of 1311146346 is about 36209.7548458975. The cubic root of 1311146346 is about 1094.5032520926.

Adding to 1311146346 its reverse (6436411131), we get a palindrome (7747557477).

The spelling of 1311146346 in words is "one billion, three hundred eleven million, one hundred forty-six thousand, three hundred forty-six".