202013312443 has 4 divisors (see below), whose sum is σ = 202015420200. Its totient is φ = 202011204688.

The previous prime is 202013312429. The next prime is 202013312503. The reversal of 202013312443 is 344213310202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344213310202 = 2 ⋅172106655101.

It is a cyclic number.

It is not a de Polignac number, because 202013312443 - 2¹⁷ = 202013181371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202013312143) 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, 902905 + ... + 1104202.

It is an arithmetic number, because the mean of its divisors is an integer number (50503855050).

Almost surely, 2^202013312443 is an apocalyptic number.

202013312443 is a deficient number, since it is larger than the sum of its proper divisors (2107757).

202013312443 is a wasteful number, since it uses less digits than its factorization.

202013312443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107756.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 202013312443 its reverse (344213310202), we get a palindrome (546226622645).

The spelling of 202013312443 in words is "two hundred two billion, thirteen million, three hundred twelve thousand, four hundred forty-three".