1214314321 has 4 divisors (see below), whose sum is σ = 1324706544. Its totient is φ = 1103922100.

The previous prime is 1214314289. The next prime is 1214314333. The reversal of 1214314321 is 1234134121.

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 1214314321 - 2⁵ = 1214314289 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214314292 and 1214314301.

It is not an unprimeable number, because it can be changed into a prime (1214314121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55196095 + ... + 55196116.

It is an arithmetic number, because the mean of its divisors is an integer number (331176636).

Almost surely, 2^1214314321 is an apocalyptic number.

1214314321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1214314321 is a deficient number, since it is larger than the sum of its proper divisors (110392223).

1214314321 is a wasteful number, since it uses less digits than its factorization.

1214314321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110392222.

The product of its digits is 576, while the sum is 22.

The square root of 1214314321 is about 34847.0130857725. The cubic root of 1214314321 is about 1066.8672221306.

Adding to 1214314321 its reverse (1234134121), we get a palindrome (2448448442).

The spelling of 1214314321 in words is "one billion, two hundred fourteen million, three hundred fourteen thousand, three hundred twenty-one".