1313402011643 has 8 divisors (see below), whose sum is σ = 1338861536208. Its totient is φ = 1287967611424.

The previous prime is 1313402011583. The next prime is 1313402011657. The reversal of 1313402011643 is 3461102043131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313402011643 - 2⁸ = 1313402011387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313402041643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6175505 + ... + 6384642.

It is an arithmetic number, because the mean of its divisors is an integer number (167357692026).

Almost surely, 2^{1313402011643} is an apocalyptic number.

1313402011643 is a deficient number, since it is larger than the sum of its proper divisors (25459524565).

1313402011643 is a wasteful number, since it uses less digits than its factorization.

1313402011643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12562173.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 1313402011643 its reverse (3461102043131), we get a palindrome (4774504054774).

The spelling of 1313402011643 in words is "one trillion, three hundred thirteen billion, four hundred two million, eleven thousand, six hundred forty-three".