1310243520330 has 160 divisors (see below), whose sum is σ = 3568521204864. Its totient is φ = 344900674944.

The previous prime is 1310243520283. The next prime is 1310243520359. The reversal of 1310243520330 is 330253420131.

1310243520330 is a `hidden beast` number, since 1 + 3 + 102 + 4 + 3 + 520 + 3 + 30 = 666.

It is a super-2 number, since 2×1310243520330² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1310243520294 and 1310243520303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 87593212 + ... + 87608168.

Almost surely, 2^{1310243520330} is an apocalyptic number.

1310243520330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310243520330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784260602432).

1310243520330 is an abundant number, since it is smaller than the sum of its proper divisors (2258277684534).

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

1310243520330 is a wasteful number, since it uses less digits than its factorization.

1310243520330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16362 (or 16353 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 1310243520330 its reverse (330253420131), we get a palindrome (1640496940461).

The spelling of 1310243520330 in words is "one trillion, three hundred ten billion, two hundred forty-three million, five hundred twenty thousand, three hundred thirty".