1301331232 has 48 divisors (see below), whose sum is σ = 2722675032. Its totient is φ = 610140160.

The previous prime is 1301331221. The next prime is 1301331233. The reversal of 1301331232 is 2321331031.

It can be written as a sum of positive squares in 4 ways, for example, as 1267644816 + 33686416 = 35604^2 + 5804^2 .

It is not an unprimeable number, because it can be changed into a prime (1301331233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148608 + ... + 157120.

Almost surely, 2^1301331232 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 1301331232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1361337516).

1301331232 is an abundant number, since it is smaller than the sum of its proper divisors (1421343800).

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

1301331232 is a wasteful number, since it uses less digits than its factorization.

1301331232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8821 (or 8813 counting only the distinct ones).

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

The square root of 1301331232 is about 36073.9688972533. The cubic root of 1301331232 is about 1091.7652936966.

Adding to 1301331232 its reverse (2321331031), we get a palindrome (3622662263).

The spelling of 1301331232 in words is "one billion, three hundred one million, three hundred thirty-one thousand, two hundred thirty-two".