1310311210340 has 96 divisors (see below), whose sum is σ = 3187985931648. Its totient is φ = 447093504000.

The previous prime is 1310311210339. The next prime is 1310311210349. The reversal of 1310311210340 is 430121130131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1310311210349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708710 + ... + 1767170.

It is an arithmetic number, because the mean of its divisors is an integer number (33208186788).

Almost surely, 2^{1310311210340} is an apocalyptic number.

1310311210340 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 1310311210340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1593992965824).

1310311210340 is an abundant number, since it is smaller than the sum of its proper divisors (1877674721308).

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

1310311210340 is a wasteful number, since it uses less digits than its factorization.

1310311210340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058829 (or 1058827 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1310311210340 its reverse (430121130131), we get a palindrome (1740432340471).

The spelling of 1310311210340 in words is "one trillion, three hundred ten billion, three hundred eleven million, two hundred ten thousand, three hundred forty".