331714021 has 2 divisors, whose sum is σ = 331714022. Its totient is φ = 331714020.

The previous prime is 331714003. The next prime is 331714049. The reversal of 331714021 is 120417133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188073796 + 143640225 = 13714^2 + 11985^2 .

It is an emirp because it is prime and its reverse (120417133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331714021 - 2⁹ = 331713509 is a prime.

It is a super-2 number, since 2×331714021² = 220068383455976882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331713983 and 331714001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331714091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165857010 + 165857011.

It is an arithmetic number, because the mean of its divisors is an integer number (165857011).

Almost surely, 2^331714021 is an apocalyptic number.

It is an amenable number.

331714021 is a deficient number, since it is larger than the sum of its proper divisors (1).

331714021 is an equidigital number, since it uses as much as digits as its factorization.

331714021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 331714021 is about 18213.0178992939. The cubic root of 331714021 is about 692.2366828520.

The spelling of 331714021 in words is "three hundred thirty-one million, seven hundred fourteen thousand, twenty-one".