2143400205313 has 4 divisors (see below), whose sum is σ = 2144545797888. Its totient is φ = 2142254612740.

The previous prime is 2143400205281. The next prime is 2143400205367. The reversal of 2143400205313 is 3135020043412.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2143400205313 - 2⁵ = 2143400205281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143400235313) 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 3 ways as a sum of consecutive naturals, for example, 572793481 + ... + 572797222.

It is an arithmetic number, because the mean of its divisors is an integer number (536136449472).

Almost surely, 2^{2143400205313} is an apocalyptic number.

It is an amenable number.

2143400205313 is a deficient number, since it is larger than the sum of its proper divisors (1145592575).

2143400205313 is a wasteful number, since it uses less digits than its factorization.

2143400205313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145592574.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 2143400205313 its reverse (3135020043412), we get a palindrome (5278420248725).

The spelling of 2143400205313 in words is "two trillion, one hundred forty-three billion, four hundred million, two hundred five thousand, three hundred thirteen".