1234320113 has 12 divisors (see below), whose sum is σ = 1336715100. Its totient is φ = 1133024256.

The previous prime is 1234320083. The next prime is 1234320137. The reversal of 1234320113 is 3110234321.

It can be written as a sum of positive squares in 6 ways, for example, as 54878464 + 1179441649 = 7408^2 + 34343^2 .

It is not a de Polignac number, because 1234320113 - 2⁶ = 1234320049 is a prime.

It is a super-2 number, since 2×1234320113² = 3047092282712665538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234320013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482963 + ... + 485511.

It is an arithmetic number, because the mean of its divisors is an integer number (111392925).

Almost surely, 2^1234320113 is an apocalyptic number.

1234320113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1234320113 is a deficient number, since it is larger than the sum of its proper divisors (102394987).

1234320113 is an equidigital number, since it uses as much as digits as its factorization.

1234320113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948 (or 2755 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1234320113 is about 35132.8921809748. The cubic root of 1234320113 is about 1072.6942070199.

Adding to 1234320113 its reverse (3110234321), we get a palindrome (4344554434).

The spelling of 1234320113 in words is "one billion, two hundred thirty-four million, three hundred twenty thousand, one hundred thirteen".