203462340013 has 4 divisors (see below), whose sum is σ = 203466767548. Its totient is φ = 203457912480.

The previous prime is 203462340007. The next prime is 203462340041. The reversal of 203462340013 is 310043264302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92505397609 + 110956942404 = 304147^2 + 333102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203462340013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203462340413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144106 + ... + 2236987.

It is an arithmetic number, because the mean of its divisors is an integer number (50866691887).

Almost surely, 2^203462340013 is an apocalyptic number.

It is an amenable number.

203462340013 is a deficient number, since it is larger than the sum of its proper divisors (4427535).

203462340013 is an equidigital number, since it uses as much as digits as its factorization.

203462340013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427534.

The product of its (nonzero) digits is 10368, while the sum is 28.

The spelling of 203462340013 in words is "two hundred three billion, four hundred sixty-two million, three hundred forty thousand, thirteen".