1312134213 has 8 divisors (see below), whose sum is σ = 1884090208. Its totient is φ = 807467184.

The previous prime is 1312134181. The next prime is 1312134221. The reversal of 1312134213 is 3124312131.

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

It is not a de Polignac number, because 1312134213 - 2⁵ = 1312134181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312134213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312134223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16822195 + ... + 16822272.

It is an arithmetic number, because the mean of its divisors is an integer number (235511276).

Almost surely, 2^1312134213 is an apocalyptic number.

1312134213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1312134213 is a deficient number, since it is larger than the sum of its proper divisors (571955995).

1312134213 is a wasteful number, since it uses less digits than its factorization.

1312134213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33644483.

The product of its digits is 432, while the sum is 21.

The square root of 1312134213 is about 36223.3931734729. The cubic root of 1312134213 is about 1094.7780630665.

Adding to 1312134213 its reverse (3124312131), we get a palindrome (4436446344).

The spelling of 1312134213 in words is "one billion, three hundred twelve million, one hundred thirty-four thousand, two hundred thirteen".