31233012232073 has 2 divisors, whose sum is σ = 31233012232074. Its totient is φ = 31233012232072.

The previous prime is 31233012232057. The next prime is 31233012232141. The reversal of 31233012232073 is 37023221033213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28630236622729 + 2602775609344 = 5350723^2 + 1613312^2 .

It is a cyclic number.

It is not a de Polignac number, because 31233012232073 - 2⁴ = 31233012232057 is a prime.

It is not a weakly prime, because it can be changed into another prime (31233012237073) 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 as a sum of consecutive naturals, namely, 15616506116036 + 15616506116037.

It is an arithmetic number, because the mean of its divisors is an integer number (15616506116037).

Almost surely, 2^{31233012232073} is an apocalyptic number.

It is an amenable number.

31233012232073 is a deficient number, since it is larger than the sum of its proper divisors (1).

31233012232073 is an equidigital number, since it uses as much as digits as its factorization.

31233012232073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 32.

Adding to 31233012232073 its reverse (37023221033213), we get a palindrome (68256233265286).

The spelling of 31233012232073 in words is "thirty-one trillion, two hundred thirty-three billion, twelve million, two hundred thirty-two thousand, seventy-three".