1310323312320 has 448 divisors, whose sum is σ = 4614738324480. Its totient is φ = 312341299200.

The previous prime is 1310323312313. The next prime is 1310323312327. The reversal of 1310323312320 is 232133230131.

It is an interprime number because it is at equal distance from previous prime (1310323312313) and next prime (1310323312327).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1310323312327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 306649704 + ... + 306653976.

Almost surely, 2^{1310323312320} is an apocalyptic number.

1310323312320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310323312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2307369162240).

1310323312320 is an abundant number, since it is smaller than the sum of its proper divisors (3304415012160).

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

1310323312320 is a wasteful number, since it uses less digits than its factorization.

1310323312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784 (or 4774 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1310323312320 its reverse (232133230131), we get a palindrome (1542456542451).

The spelling of 1310323312320 in words is "one trillion, three hundred ten billion, three hundred twenty-three million, three hundred twelve thousand, three hundred twenty".