1312302032 has 40 divisors (see below), whose sum is σ = 2692536000. Its totient is φ = 617870592.

The previous prime is 1312302011. The next prime is 1312302037. The reversal of 1312302032 is 2302032131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312302032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312302037) 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, 37844 + ... + 63692.

It is an arithmetic number, because the mean of its divisors is an integer number (67313400).

Almost surely, 2^1312302032 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 1312302032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346268000).

1312302032 is an abundant number, since it is smaller than the sum of its proper divisors (1380233968).

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

1312302032 is a wasteful number, since it uses less digits than its factorization.

1312302032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26043 (or 26037 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1312302032 is about 36225.7095444658. The cubic root of 1312302032 is about 1094.8247342901.

Adding to 1312302032 its reverse (2302032131), we get a palindrome (3614334163).

The spelling of 1312302032 in words is "one billion, three hundred twelve million, three hundred two thousand, thirty-two".