73033331131 has 2 divisors, whose sum is σ = 73033331132. Its totient is φ = 73033331130.

The previous prime is 73033331057. The next prime is 73033331171. The reversal of 73033331131 is 13113333037.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73033331131 - 2⁷ = 73033331003 is a prime.

It is a super-2 number, since 2×73033331131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73033331131.

It is not a weakly prime, because it can be changed into another prime (73033331171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36516665565 + 36516665566.

It is an arithmetic number, because the mean of its divisors is an integer number (36516665566).

Almost surely, 2^73033331131 is an apocalyptic number.

73033331131 is a deficient number, since it is larger than the sum of its proper divisors (1).

73033331131 is an equidigital number, since it uses as much as digits as its factorization.

73033331131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 28.

Adding to 73033331131 its reverse (13113333037), we get a palindrome (86146664168).

The spelling of 73033331131 in words is "seventy-three billion, thirty-three million, three hundred thirty-one thousand, one hundred thirty-one".