1300321332 has 18 divisors (see below), whose sum is σ = 3286923458. Its totient is φ = 433440432.

The previous prime is 1300321331. The next prime is 1300321339. The reversal of 1300321332 is 2331230031.

1300321332 is a `hidden beast` number, since 1 + 300 + 32 + 1 + 332 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1078728336 + 221592996 = 32844^2 + 14886^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300321331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18059983 + ... + 18060054.

Almost surely, 2^1300321332 is an apocalyptic number.

1300321332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1300321332 is an abundant number, since it is smaller than the sum of its proper divisors (1986602126).

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

1300321332 is a wasteful number, since it uses less digits than its factorization.

1300321332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36120047 (or 36120042 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1300321332 is about 36059.9685523989. The cubic root of 1300321332 is about 1091.4827985910.

Adding to 1300321332 its reverse (2331230031), we get a palindrome (3631551363).

The spelling of 1300321332 in words is "one billion, three hundred million, three hundred twenty-one thousand, three hundred thirty-two".