1311412144 has 20 divisors (see below), whose sum is σ = 2903841424. Its totient is φ = 562033728.

The previous prime is 1311412133. The next prime is 1311412153. The reversal of 1311412144 is 4412141131.

It is a super-2 number, since 2×1311412144² = 3439603622861353472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5854407 + ... + 5854630.

Almost surely, 2^1311412144 is an apocalyptic number.

1311412144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1311412144 is an abundant number, since it is smaller than the sum of its proper divisors (1592429280).

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

1311412144 is a wasteful number, since it uses less digits than its factorization.

1311412144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11709052 (or 11709046 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 1311412144 is about 36213.4249139735. The cubic root of 1311412144 is about 1094.5772069998.

Adding to 1311412144 its reverse (4412141131), we get a palindrome (5723553275).

The spelling of 1311412144 in words is "one billion, three hundred eleven million, four hundred twelve thousand, one hundred forty-four".