303143012 has 24 divisors (see below), whose sum is σ = 550905432. Its totient is φ = 145843200.

The previous prime is 303142981. The next prime is 303143023. The reversal of 303143012 is 210341303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28047616 + 275095396 = 5296^2 + 16586^2 .

It is a super-3 number, since 3×303143012³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689 + ... + 24632.

It is an arithmetic number, because the mean of its divisors is an integer number (22954393).

Almost surely, 2^303143012 is an apocalyptic number.

It is an amenable number.

303143012 is a deficient number, since it is larger than the sum of its proper divisors (247762420).

303143012 is a wasteful number, since it uses less digits than its factorization.

303143012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25439 (or 25437 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 303143012 is about 17411.0026132903. The cubic root of 303143012 is about 671.7626506125.

Adding to 303143012 its reverse (210341303), we get a palindrome (513484315).

The spelling of 303143012 in words is "three hundred three million, one hundred forty-three thousand, twelve".