1313200445000 has 320 divisors, whose sum is σ = 3346496778240. Its totient is φ = 481049600000.

The previous prime is 1313200444993. The next prime is 1313200445021. The reversal of 1313200445000 is 5440023131.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 763044140 + ... + 763045860.

It is an arithmetic number, because the mean of its divisors is an integer number (10457802432).

Almost surely, 2^{1313200445000} is an apocalyptic number.

1313200445000 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 1313200445000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1673248389120).

1313200445000 is an abundant number, since it is smaller than the sum of its proper divisors (2033296333240).

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

1313200445000 is a wasteful number, since it uses less digits than its factorization.

1313200445000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 1313200445000 its reverse (5440023131), we get a palindrome (1318640468131).

The spelling of 1313200445000 in words is "one trillion, three hundred thirteen billion, two hundred million, four hundred forty-five thousand".