331000973 has 2 divisors, whose sum is σ = 331000974. Its totient is φ = 331000972.

The previous prime is 331000963. The next prime is 331001081. The reversal of 331000973 is 379000133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330257929 + 743044 = 18173^2 + 862^2 .

It is an emirp because it is prime and its reverse (379000133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331000973 - 2⁸ = 331000717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331000933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165500486 + 165500487.

It is an arithmetic number, because the mean of its divisors is an integer number (165500487).

Almost surely, 2^331000973 is an apocalyptic number.

It is an amenable number.

331000973 is a deficient number, since it is larger than the sum of its proper divisors (1).

331000973 is an equidigital number, since it uses as much as digits as its factorization.

331000973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 26.

The square root of 331000973 is about 18193.4321390990. The cubic root of 331000973 is about 691.7403194676.

The spelling of 331000973 in words is "three hundred thirty-one million, nine hundred seventy-three", and thus it is an aban number.