331100120173 has 2 divisors, whose sum is σ = 331100120174. Its totient is φ = 331100120172.

The previous prime is 331100120107. The next prime is 331100120201. The reversal of 331100120173 is 371021001133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178440346084 + 152659774089 = 422422^2 + 390717^2 .

It is a cyclic number.

It is not a de Polignac number, because 331100120173 - 2⁹ = 331100119661 is a prime.

It is a super-4 number, since 4×331100120173⁴ (a number of 47 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331100120473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165550060086 + 165550060087.

It is an arithmetic number, because the mean of its divisors is an integer number (165550060087).

Almost surely, 2^331100120173 is an apocalyptic number.

It is an amenable number.

331100120173 is a deficient number, since it is larger than the sum of its proper divisors (1).

331100120173 is an equidigital number, since it uses as much as digits as its factorization.

331100120173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The spelling of 331100120173 in words is "three hundred thirty-one billion, one hundred million, one hundred twenty thousand, one hundred seventy-three".