1312134111 has 24 divisors (see below), whose sum is σ = 1943978400. Its totient is φ = 852345600.

The previous prime is 1312134079. The next prime is 1312134113. The reversal of 1312134111 is 1114312131.

It is a happy number.

1312134111 is a `hidden beast` number, since 1 + 312 + 1 + 341 + 11 = 666.

It is not a de Polignac number, because 1312134111 - 2⁵ = 1312134079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312134113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378715 + ... + 382163.

It is an arithmetic number, because the mean of its divisors is an integer number (80999100).

Almost surely, 2^1312134111 is an apocalyptic number.

1312134111 is a deficient number, since it is larger than the sum of its proper divisors (631844289).

1312134111 is a wasteful number, since it uses less digits than its factorization.

1312134111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4527 (or 4524 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 1312134111 is about 36223.3917655429. The cubic root of 1312134111 is about 1094.7780346986.

Adding to 1312134111 its reverse (1114312131), we get a palindrome (2426446242).

The spelling of 1312134111 in words is "one billion, three hundred twelve million, one hundred thirty-four thousand, one hundred eleven".