4013030312 has 8 divisors (see below), whose sum is σ = 7524431850. Its totient is φ = 2006515152.

The previous prime is 4013030303. The next prime is 4013030327. The reversal of 4013030312 is 2130303104.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3460498276 + 552532036 = 58826^2 + 23506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4013030312² = 32208824570061634688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250814387 + ... + 250814402.

Almost surely, 2^4013030312 is an apocalyptic number.

It is an amenable number.

4013030312 is a deficient number, since it is larger than the sum of its proper divisors (3511401538).

4013030312 is a wasteful number, since it uses less digits than its factorization.

4013030312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501628795 (or 501628791 counting only the distinct ones).

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

The square root of 4013030312 is about 63348.4831073326. The cubic root of 4013030312 is about 1589.1228779067.

Adding to 4013030312 its reverse (2130303104), we get a palindrome (6143333416).

The spelling of 4013030312 in words is "four billion, thirteen million, thirty thousand, three hundred twelve".