1314312121 has 4 divisors (see below), whose sum is σ = 1318100112. Its totient is φ = 1310524132.

The previous prime is 1314312119. The next prime is 1314312149. The reversal of 1314312121 is 1212134131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1314312121 - 2¹ = 1314312119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1314312101) 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 3 ways as a sum of consecutive naturals, for example, 1893475 + ... + 1894168.

It is an arithmetic number, because the mean of its divisors is an integer number (329525028).

Almost surely, 2^1314312121 is an apocalyptic number.

It is an amenable number.

1314312121 is a deficient number, since it is larger than the sum of its proper divisors (3787991).

1314312121 is an equidigital number, since it uses as much as digits as its factorization.

1314312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787990.

The product of its digits is 144, while the sum is 19.

The square root of 1314312121 is about 36253.4428847799. The cubic root of 1314312121 is about 1095.3834401457.

Adding to 1314312121 its reverse (1212134131), we get a palindrome (2526446252).

The spelling of 1314312121 in words is "one billion, three hundred fourteen million, three hundred twelve thousand, one hundred twenty-one".