1313044544100 has 72 divisors (see below), whose sum is σ = 3799340139168. Its totient is φ = 350120825600.

The previous prime is 1313044544093. The next prime is 1313044544101. The reversal of 1313044544100 is 14454403131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1313044544101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4387240 + ... + 4676960.

It is an arithmetic number, because the mean of its divisors is an integer number (52768613044).

Almost surely, 2^{1313044544100} is an apocalyptic number.

1313044544100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313044544100 is an abundant number, since it is smaller than the sum of its proper divisors (2486295595068).

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

1313044544100 is a wasteful number, since it uses less digits than its factorization.

1313044544100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304845 (or 304838 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1313044544100 its reverse (14454403131), we get a palindrome (1327498947231).

The spelling of 1313044544100 in words is "one trillion, three hundred thirteen billion, forty-four million, five hundred forty-four thousand, one hundred".