1312434321111 has 12 divisors (see below), whose sum is σ = 1896376583400. Its totient is φ = 874661697360.

The previous prime is 1312434321083. The next prime is 1312434321139. The reversal of 1312434321111 is 1111234342131.

1312434321111 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 434 + 3 + 211 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (1312434321083) and next prime (1312434321139).

It is not a de Polignac number, because 1312434321111 - 2⁶ = 1312434321047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312434301111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24514836 + ... + 24568313.

It is an arithmetic number, because the mean of its divisors is an integer number (158031381950).

Almost surely, 2^{1312434321111} is an apocalyptic number.

1312434321111 is a deficient number, since it is larger than the sum of its proper divisors (583942262289).

1312434321111 is a wasteful number, since it uses less digits than its factorization.

1312434321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49086126 (or 49086123 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 1312434321111 its reverse (1111234342131), we get a palindrome (2423668663242).

The spelling of 1312434321111 in words is "one trillion, three hundred twelve billion, four hundred thirty-four million, three hundred twenty-one thousand, one hundred eleven".