331013221230073 has 2 divisors, whose sum is σ = 331013221230074. Its totient is φ = 331013221230072.

The previous prime is 331013221230023. The next prime is 331013221230157. The reversal of 331013221230073 is 370032122310133.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267271392342969 + 63741828887104 = 16348437^2 + 7983848^2 .

It is a cyclic number.

It is not a de Polignac number, because 331013221230073 - 2³⁷ = 330875782276601 is a prime.

It is not a weakly prime, because it can be changed into another prime (331013221230023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165506610615036 + 165506610615037.

It is an arithmetic number, because the mean of its divisors is an integer number (165506610615037).

Almost surely, 2^{331013221230073} is an apocalyptic number.

It is an amenable number.

331013221230073 is a deficient number, since it is larger than the sum of its proper divisors (1).

331013221230073 is an equidigital number, since it uses as much as digits as its factorization.

331013221230073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 31.

The spelling of 331013221230073 in words is "three hundred thirty-one trillion, thirteen billion, two hundred twenty-one million, two hundred thirty thousand, seventy-three".