3031240394 has 32 divisors (see below), whose sum is σ = 5599480320. Its totient is φ = 1198455552.

The previous prime is 3031240391. The next prime is 3031240423. The reversal of 3031240394 is 4930421303.

3031240394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3031240391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383567 + ... + 391389.

It is an arithmetic number, because the mean of its divisors is an integer number (174983760).

Almost surely, 2^3031240394 is an apocalyptic number.

3031240394 is a deficient number, since it is larger than the sum of its proper divisors (2568239926).

3031240394 is a wasteful number, since it uses less digits than its factorization.

3031240394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9974.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 3031240394 is about 55056.7016265958. The cubic root of 3031240394 is about 1447.2385642510.

Adding to 3031240394 its reverse (4930421303), we get a palindrome (7961661697).

The spelling of 3031240394 in words is "three billion, thirty-one million, two hundred forty thousand, three hundred ninety-four".