1313124020340 has 48 divisors (see below), whose sum is σ = 4010997009600. Its totient is φ = 318333095680.

The previous prime is 1313124020311. The next prime is 1313124020347. The reversal of 1313124020340 is 430204213131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313124020340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313124020347) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 994790265 + ... + 994791584.

It is an arithmetic number, because the mean of its divisors is an integer number (83562437700).

Almost surely, 2^{1313124020340} is an apocalyptic number.

1313124020340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313124020340 is an abundant number, since it is smaller than the sum of its proper divisors (2697872989260).

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

1313124020340 is a wasteful number, since it uses less digits than its factorization.

1313124020340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989581872 (or 1989581870 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1313124020340 its reverse (430204213131), we get a palindrome (1743328233471).

The spelling of 1313124020340 in words is "one trillion, three hundred thirteen billion, one hundred twenty-four million, twenty thousand, three hundred forty".