1301332312 has 64 divisors (see below), whose sum is σ = 2906280000. Its totient is φ = 534460416.

The previous prime is 1301332301. The next prime is 1301332313. The reversal of 1301332312 is 2132331031.

It is a self number, because there is not a number n which added to its sum of digits gives 1301332312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301332313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219564 + ... + 225412.

It is an arithmetic number, because the mean of its divisors is an integer number (45410625).

Almost surely, 2^1301332312 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 1301332312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453140000).

1301332312 is an abundant number, since it is smaller than the sum of its proper divisors (1604947688).

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

1301332312 is a wasteful number, since it uses less digits than its factorization.

1301332312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6028 (or 6024 counting only the distinct ones).

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

The square root of 1301332312 is about 36073.9838664930. The cubic root of 1301332312 is about 1091.7655957222.

Adding to 1301332312 its reverse (2132331031), we get a palindrome (3433663343).

The spelling of 1301332312 in words is "one billion, three hundred one million, three hundred thirty-two thousand, three hundred twelve".