73113231137 has 4 divisors (see below), whose sum is σ = 75471722496. Its totient is φ = 70754739780.

The previous prime is 73113231089. The next prime is 73113231157.

73113231137 is nontrivially palindromic in base 10.

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 73113231137 - 2⁶ = 73113231073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73113231157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179245633 + ... + 1179245694.

It is an arithmetic number, because the mean of its divisors is an integer number (18867930624).

Almost surely, 2^73113231137 is an apocalyptic number.

It is an amenable number.

73113231137 is a deficient number, since it is larger than the sum of its proper divisors (2358491359).

73113231137 is a wasteful number, since it uses less digits than its factorization.

73113231137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358491358.

The product of its digits is 7938, while the sum is 32.

The spelling of 73113231137 in words is "seventy-three billion, one hundred thirteen million, two hundred thirty-one thousand, one hundred thirty-seven".