73113231209 has 8 divisors (see below), whose sum is σ = 73176373920. Its totient is φ = 73050120000.

The previous prime is 73113231203. The next prime is 73113231211. The reversal of 73113231209 is 90213231137.

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 73113231209 - 2¹² = 73113227113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73113231203) 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 7 ways as a sum of consecutive naturals, for example, 7078769 + ... + 7089089.

It is an arithmetic number, because the mean of its divisors is an integer number (9147046740).

Almost surely, 2^73113231209 is an apocalyptic number.

It is an amenable number.

73113231209 is a deficient number, since it is larger than the sum of its proper divisors (63142711).

73113231209 is a wasteful number, since it uses less digits than its factorization.

73113231209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15751.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 73113231209 in words is "seventy-three billion, one hundred thirteen million, two hundred thirty-one thousand, two hundred nine".