303143412021 has 32 divisors (see below), whose sum is σ = 432410254848. Its totient is φ = 188234726400.

The previous prime is 303143411951. The next prime is 303143412023. The reversal of 303143412021 is 120214341303.

It is a happy number.

It is not a de Polignac number, because 303143412021 - 2⁹ = 303143411509 is a prime.

It is a super-4 number, since 4×303143412021⁴ (a number of 47 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 303143411982 and 303143412000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303143412023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11767471 + ... + 11793203.

It is an arithmetic number, because the mean of its divisors is an integer number (13512820464).

Almost surely, 2^303143412021 is an apocalyptic number.

It is an amenable number.

303143412021 is a deficient number, since it is larger than the sum of its proper divisors (129266842827).

303143412021 is a wasteful number, since it uses less digits than its factorization.

303143412021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28141.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 303143412021 its reverse (120214341303), we get a palindrome (423357753324).

The spelling of 303143412021 in words is "three hundred three billion, one hundred forty-three million, four hundred twelve thousand, twenty-one".