1330320312 has 48 divisors (see below), whose sum is σ = 3814892640. Its totient is φ = 417355008.

The previous prime is 1330320247. The next prime is 1330320319. The reversal of 1330320312 is 2130230331.

1330320312 is a `hidden beast` number, since 1 + 3 + 30 + 320 + 312 = 666.

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 (1330320319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 542208 + ... + 544655.

It is an arithmetic number, because the mean of its divisors is an integer number (79476930).

Almost surely, 2^1330320312 is an apocalyptic number.

1330320312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1330320312 is an abundant number, since it is smaller than the sum of its proper divisors (2484572328).

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

1330320312 is a wasteful number, since it uses less digits than its factorization.

1330320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086892 (or 1086885 counting only the distinct ones).

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

The square root of 1330320312 is about 36473.5563388052. The cubic root of 1330320312 is about 1099.8127262454.

Adding to 1330320312 its reverse (2130230331), we get a palindrome (3460550643).

The spelling of 1330320312 in words is "one billion, three hundred thirty million, three hundred twenty thousand, three hundred twelve".