331424701 has 2 divisors, whose sum is σ = 331424702. Its totient is φ = 331424700.

The previous prime is 331424677. The next prime is 331424729. The reversal of 331424701 is 107424133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223472601 + 107952100 = 14949^2 + 10390^2 .

It is an emirp because it is prime and its reverse (107424133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331424701 - 2⁵ = 331424669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331424801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165712350 + 165712351.

It is an arithmetic number, because the mean of its divisors is an integer number (165712351).

Almost surely, 2^331424701 is an apocalyptic number.

It is an amenable number.

331424701 is a deficient number, since it is larger than the sum of its proper divisors (1).

331424701 is an equidigital number, since it uses as much as digits as its factorization.

331424701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 331424701 is about 18205.0734961439. The cubic root of 331424701 is about 692.0353687080.

Adding to 331424701 its reverse (107424133), we get a palindrome (438848834).

The spelling of 331424701 in words is "three hundred thirty-one million, four hundred twenty-four thousand, seven hundred one".