307040030 has 32 divisors (see below), whose sum is σ = 603656928. Its totient is φ = 111513600.

The previous prime is 307039987. The next prime is 307040039. The reversal of 307040030 is 30040703.

It is a junction number, because it is equal to n+sod(n) for n = 307039990 and 307040008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307040039) 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, 144254 + ... + 146366.

It is an arithmetic number, because the mean of its divisors is an integer number (18864279).

Almost surely, 2^307040030 is an apocalyptic number.

307040030 is a deficient number, since it is larger than the sum of its proper divisors (296616898).

307040030 is a wasteful number, since it uses less digits than its factorization.

307040030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 307040030 is about 17522.5577470870. The cubic root of 307040030 is about 674.6289904444.

Adding to 307040030 its reverse (30040703), we get a palindrome (337080733).

The spelling of 307040030 in words is "three hundred seven million, forty thousand, thirty".