1323213130 has 32 divisors (see below), whose sum is σ = 2421452880. Its totient is φ = 520542720.

The previous prime is 1323213109. The next prime is 1323213169. The reversal of 1323213130 is 313123231.

It can be written as a sum of positive squares in 8 ways, for example, as 1148735449 + 174477681 = 33893^2 + 13209^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1323213098 and 1323213107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144900 + ... + 153760.

Almost surely, 2^1323213130 is an apocalyptic number.

1323213130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323213130 is a deficient number, since it is larger than the sum of its proper divisors (1098239750).

1323213130 is a wasteful number, since it uses less digits than its factorization.

1323213130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9114.

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

The square root of 1323213130 is about 36375.9966186495. The cubic root of 1323213130 is about 1097.8506597907.

Adding to 1323213130 its reverse (313123231), we get a palindrome (1636336361).

It can be divided in two parts, 13232 and 13130, that added together give a palindrome (26362).

The spelling of 1323213130 in words is "one billion, three hundred twenty-three million, two hundred thirteen thousand, one hundred thirty".