303141421 has 6 divisors (see below), whose sum is σ = 333205166. Its totient is φ = 275583000.

The previous prime is 303141389. The next prime is 303141431. The reversal of 303141421 is 124141303.

It can be written as a sum of positive squares in only one way, i.e., 298252900 + 4888521 = 17270^2 + 2211^2 .

It is not a de Polignac number, because 303141421 - 2⁵ = 303141389 is a prime.

It is a super-2 number, since 2×303141421² = 183789442251798482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303141431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1252530 + ... + 1252771.

Almost surely, 2^303141421 is an apocalyptic number.

It is an amenable number.

303141421 is a deficient number, since it is larger than the sum of its proper divisors (30063745).

303141421 is a wasteful number, since it uses less digits than its factorization.

303141421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505323 (or 2505312 counting only the distinct ones).

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

The square root of 303141421 is about 17410.9569237305. The cubic root of 303141421 is about 671.7614753957.

Adding to 303141421 its reverse (124141303), we get a palindrome (427282724).

The spelling of 303141421 in words is "three hundred three million, one hundred forty-one thousand, four hundred twenty-one".