330141421 has 2 divisors, whose sum is σ = 330141422. Its totient is φ = 330141420.

The previous prime is 330141419. The next prime is 330141431. The reversal of 330141421 is 124141033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196392196 + 133749225 = 14014^2 + 11565^2 .

It is an emirp because it is prime and its reverse (124141033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330141421 - 2¹ = 330141419 is a prime.

Together with 330141419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330141431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165070710 + 165070711.

It is an arithmetic number, because the mean of its divisors is an integer number (165070711).

Almost surely, 2^330141421 is an apocalyptic number.

It is an amenable number.

330141421 is a deficient number, since it is larger than the sum of its proper divisors (1).

330141421 is an equidigital number, since it uses as much as digits as its factorization.

330141421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 330141421 is about 18169.7941925604. The cubic root of 330141421 is about 691.1410239499.

Adding to 330141421 its reverse (124141033), we get a palindrome (454282454).

The spelling of 330141421 in words is "three hundred thirty million, one hundred forty-one thousand, four hundred twenty-one".