1313043041000 has 64 divisors (see below), whose sum is σ = 3130492931280. Its totient is φ = 515307436800.

The previous prime is 1313043040831. The next prime is 1313043041003. The reversal of 1313043041000 is 1403403131.

It can be written as a sum of positive squares in 8 ways, for example, as 74910595204 + 1238132445796 = 273698^2 + 1112714^2 .

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 (1313043041003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12334199 + ... + 12440198.

Almost surely, 2^{1313043041000} is an apocalyptic number.

1313043041000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313043041000 is an abundant number, since it is smaller than the sum of its proper divisors (1817449890280).

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

1313043041000 is a wasteful number, since it uses less digits than its factorization.

1313043041000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24774471 (or 24774457 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1313043041000 its reverse (1403403131), we get a palindrome (1314446444131).

The spelling of 1313043041000 in words is "one trillion, three hundred thirteen billion, forty-three million, forty-one thousand".