1311442264 has 16 divisors (see below), whose sum is σ = 2682495720. Its totient is φ = 596110080.

The previous prime is 1311442241. The next prime is 1311442273. The reversal of 1311442264 is 4622441131.

It is a congruent number.

It is an unprimeable number.

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, 7451289 + ... + 7451464.

Almost surely, 2^1311442264 is an apocalyptic number.

It is an amenable number.

1311442264 is an abundant number, since it is smaller than the sum of its proper divisors (1371053456).

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

1311442264 is a wasteful number, since it uses less digits than its factorization.

1311442264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14902770 (or 14902766 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 1311442264 is about 36213.8407794589. The cubic root of 1311442264 is about 1094.5855868757.

Adding to 1311442264 its reverse (4622441131), we get a palindrome (5933883395).

The spelling of 1311442264 in words is "one billion, three hundred eleven million, four hundred forty-two thousand, two hundred sixty-four".