2031223210073 has 2 divisors, whose sum is σ = 2031223210074. Its totient is φ = 2031223210072.

The previous prime is 2031223210057. The next prime is 2031223210087. The reversal of 2031223210073 is 3700123221302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1936514378569 + 94708831504 = 1391587^2 + 307748^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031223210073 - 2⁴ = 2031223210057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031223210273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015611605036 + 1015611605037.

It is an arithmetic number, because the mean of its divisors is an integer number (1015611605037).

Almost surely, 2^{2031223210073} is an apocalyptic number.

It is an amenable number.

2031223210073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031223210073 is an equidigital number, since it uses as much as digits as its factorization.

2031223210073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 2031223210073 its reverse (3700123221302), we get a palindrome (5731346431375).

The spelling of 2031223210073 in words is "two trillion, thirty-one billion, two hundred twenty-three million, two hundred ten thousand, seventy-three".