303031012 has 12 divisors (see below), whose sum is σ = 530576956. Its totient is φ = 151437600.

The previous prime is 303030997. The next prime is 303031039. The reversal of 303031012 is 210130303.

It can be written as a sum of positive squares in 2 ways, for example, as 62346816 + 240684196 = 7896^2 + 15514^2 .

It is a junction number, because it is equal to n+sod(n) for n = 303030983 and 303031001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10239 + ... + 26662.

Almost surely, 2^303031012 is an apocalyptic number.

It is an amenable number.

303031012 is a deficient number, since it is larger than the sum of its proper divisors (227545944).

303031012 is a wasteful number, since it uses less digits than its factorization.

303031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38958 (or 38956 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 303031012 is about 17407.7859591621. The cubic root of 303031012 is about 671.6799100339.

Adding to 303031012 its reverse (210130303), we get a palindrome (513161315).

The spelling of 303031012 in words is "three hundred three million, thirty-one thousand, twelve".