1214321113 has 4 divisors (see below), whose sum is σ = 1214403840. Its totient is φ = 1214238388.

The previous prime is 1214321051. The next prime is 1214321131. The reversal of 1214321113 is 3111234121.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3111234121 = 31 ⋅100362391.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214321113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214321153) 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, 12745 + ... + 50902.

It is an arithmetic number, because the mean of its divisors is an integer number (303600960).

Almost surely, 2^1214321113 is an apocalyptic number.

It is an amenable number.

1214321113 is a deficient number, since it is larger than the sum of its proper divisors (82727).

1214321113 is an equidigital number, since it uses as much as digits as its factorization.

1214321113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82726.

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

The square root of 1214321113 is about 34847.1105401868. The cubic root of 1214321113 is about 1066.8692112226.

Adding to 1214321113 its reverse (3111234121), we get a palindrome (4325555234).

It can be divided in two parts, 121 and 4321113, that added together give a palindrome (4321234).

The spelling of 1214321113 in words is "one billion, two hundred fourteen million, three hundred twenty-one thousand, one hundred thirteen".