1223313130 has 32 divisors (see below), whose sum is σ = 2383681104. Its totient is φ = 449335296.

The previous prime is 1223313127. The next prime is 1223313137. The reversal of 1223313130 is 313133221.

It can be written as a sum of positive squares in 8 ways, for example, as 51825601 + 1171487529 = 7199^2 + 34227^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1223313098 and 1223313107.

It is not an unprimeable number, because it can be changed into a prime (1223313137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712 + ... + 49468.

Almost surely, 2^1223313130 is an apocalyptic number.

1223313130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223313130 is a deficient number, since it is larger than the sum of its proper divisors (1160367974).

1223313130 is a wasteful number, since it uses less digits than its factorization.

1223313130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48970.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1223313130 is about 34975.8935554190. The cubic root of 1223313130 is about 1069.4961175989.

Adding to 1223313130 its reverse (313133221), we get a palindrome (1536446351).

The spelling of 1223313130 in words is "one billion, two hundred twenty-three million, three hundred thirteen thousand, one hundred thirty".