307224130 has 16 divisors (see below), whose sum is σ = 558078840. Its totient is φ = 121761792.

The previous prime is 307224109. The next prime is 307224131. The reversal of 307224130 is 31422703.

It can be written as a sum of positive squares in 4 ways, for example, as 289238049 + 17986081 = 17007^2 + 4241^2 .

It is not an unprimeable number, because it can be changed into a prime (307224131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139839 + ... + 142018.

Almost surely, 2^307224130 is an apocalyptic number.

307224130 is a deficient number, since it is larger than the sum of its proper divisors (250854710).

307224130 is a wasteful number, since it uses less digits than its factorization.

307224130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281973.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 307224130 is about 17527.8101883835. The cubic root of 307224130 is about 674.7637984718.

Adding to 307224130 its reverse (31422703), we get a palindrome (338646833).

The spelling of 307224130 in words is "three hundred seven million, two hundred twenty-four thousand, one hundred thirty".