1310332320 has 144 divisors (see below), whose sum is σ = 4878068832. Its totient is φ = 317652480.

The previous prime is 1310332313. The next prime is 1310332327. The reversal of 1310332320 is 232330131.

1310332320 is a `hidden beast` number, since 1 + 3 + 10 + 332 + 320 = 666.

It is an interprime number because it is at equal distance from previous prime (1310332313) and next prime (1310332327).

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a junction number, because it is equal to n+sod(n) for n = 1310332293 and 1310332302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310332327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25522 + ... + 57201.

It is an arithmetic number, because the mean of its divisors is an integer number (33875478).

Almost surely, 2^1310332320 is an apocalyptic number.

1310332320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310332320 is an abundant number, since it is smaller than the sum of its proper divisors (3567736512).

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

1310332320 is a wasteful number, since it uses less digits than its factorization.

1310332320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82755 (or 82744 counting only the distinct ones).

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

The square root of 1310332320 is about 36198.5126766280. The cubic root of 1310332320 is about 1094.2766975325.

Adding to 1310332320 its reverse (232330131), we get a palindrome (1542662451).

The spelling of 1310332320 in words is "one billion, three hundred ten million, three hundred thirty-two thousand, three hundred twenty".