73100000731 has 12 divisors (see below), whose sum is σ = 79458837832. Its totient is φ = 67199989248.

The previous prime is 73100000719. The next prime is 73100000803. The reversal of 73100000731 is 13700000137.

It is not a de Polignac number, because 73100000731 - 2⁹ = 73100000219 is a prime.

It is a super-2 number, since 2×73100000731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73100000431) 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 11 ways as a sum of consecutive naturals, for example, 2928750 + ... + 2953603.

Almost surely, 2^73100000731 is an apocalyptic number.

73100000731 is a deficient number, since it is larger than the sum of its proper divisors (6358837101).

73100000731 is a wasteful number, since it uses less digits than its factorization.

73100000731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882430 (or 5882413 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 22.

Adding to 73100000731 its reverse (13700000137), we get a palindrome (86800000868).

The spelling of 73100000731 in words is "seventy-three billion, one hundred million, seven hundred thirty-one", and thus it is an aban number.