1310231002320 has 160 divisors (see below), whose sum is σ = 4514865613440. Its totient is φ = 349251886080.

The previous prime is 1310231002279. The next prime is 1310231002331. The reversal of 1310231002320 is 232001320131.

1310231002320 is a `hidden beast` number, since 1 + 31 + 0 + 2 + 310 + 0 + 2 + 320 = 666.

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 = 1310231002293 and 1310231002302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5205780 + ... + 5451660.

It is an arithmetic number, because the mean of its divisors is an integer number (28217910084).

Almost surely, 2^{1310231002320} is an apocalyptic number.

1310231002320 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 1310231002320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257432806720).

1310231002320 is an abundant number, since it is smaller than the sum of its proper divisors (3204634611120).

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

1310231002320 is a wasteful number, since it uses less digits than its factorization.

1310231002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248370 (or 248358 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1310231002320 its reverse (232001320131), we get a palindrome (1542232322451).

The spelling of 1310231002320 in words is "one trillion, three hundred ten billion, two hundred thirty-one million, two thousand, three hundred twenty".