1311241167 has 36 divisors (see below), whose sum is σ = 2010363264. Its totient is φ = 823426560.

The previous prime is 1311241159. The next prime is 1311241207. The reversal of 1311241167 is 7611421131.

It is not a de Polignac number, because 1311241167 - 2³ = 1311241159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1311241167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311241067) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 619503 + ... + 621615.

It is an arithmetic number, because the mean of its divisors is an integer number (55843424).

Almost surely, 2^1311241167 is an apocalyptic number.

1311241167 is a deficient number, since it is larger than the sum of its proper divisors (699122097).

1311241167 is a wasteful number, since it uses less digits than its factorization.

1311241167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348 (or 2326 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 1311241167 is about 36211.0641517203. The cubic root of 1311241167 is about 1094.5296359745.

Adding to 1311241167 its reverse (7611421131), we get a palindrome (8922662298).

The spelling of 1311241167 in words is "one billion, three hundred eleven million, two hundred forty-one thousand, one hundred sixty-seven".