1303325312 has 64 divisors (see below), whose sum is σ = 2689666560. Its totient is φ = 628423680.

The previous prime is 1303325293. The next prime is 1303325327. The reversal of 1303325312 is 2135233031.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995578 + ... + 1996230.

It is an arithmetic number, because the mean of its divisors is an integer number (42026040).

Almost surely, 2^1303325312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303325312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344833280).

1303325312 is an abundant number, since it is smaller than the sum of its proper divisors (1386341248).

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

1303325312 is an equidigital number, since it uses as much as digits as its factorization.

1303325312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201 (or 1189 counting only the distinct ones).

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

The square root of 1303325312 is about 36101.5970837856. The cubic root of 1303325312 is about 1092.3226604473.

Adding to 1303325312 its reverse (2135233031), we get a palindrome (3438558343).

The spelling of 1303325312 in words is "one billion, three hundred three million, three hundred twenty-five thousand, three hundred twelve".