73110202032013 has 4 divisors (see below), whose sum is σ = 73110460209820. Its totient is φ = 73109943854208.

The previous prime is 73110202032011. The next prime is 73110202032019. The reversal of 73110202032013 is 31023020201137.

It is a happy number.

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 60870860712484 + 12239341319529 = 7801978^2 + 3498477^2 .

It is a cyclic number.

It is not a de Polignac number, because 73110202032013 - 2¹ = 73110202032011 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 (73110202032011) 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, 128663670 + ... + 129230647.

It is an arithmetic number, because the mean of its divisors is an integer number (18277615052455).

Almost surely, 2^{73110202032013} is an apocalyptic number.

It is an amenable number.

73110202032013 is a deficient number, since it is larger than the sum of its proper divisors (258177807).

73110202032013 is a wasteful number, since it uses less digits than its factorization.

73110202032013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258177806.

The product of its (nonzero) digits is 1512, while the sum is 25.

The spelling of 73110202032013 in words is "seventy-three trillion, one hundred ten billion, two hundred two million, thirty-two thousand, thirteen".