1323313250 has 32 divisors (see below), whose sum is σ = 2831137920. Its totient is φ = 453706800.

The previous prime is 1323313139. The next prime is 1323313283. The reversal of 1323313250 is 523133231.

It is a Curzon number.

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, 376340 + ... + 379839.

It is an arithmetic number, because the mean of its divisors is an integer number (88473060).

Almost surely, 2^1323313250 is an apocalyptic number.

1323313250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323313250 is an abundant number, since it is smaller than the sum of its proper divisors (1507824670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323313250 is an equidigital number, since it uses as much as digits as its factorization.

1323313250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756203 (or 756193 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1323313250 is about 36377.3727748445. The cubic root of 1323313250 is about 1097.8783484609.

Adding to 1323313250 its reverse (523133231), we get a palindrome (1846446481).

The spelling of 1323313250 in words is "one billion, three hundred twenty-three million, three hundred thirteen thousand, two hundred fifty".