307242130 has 16 divisors (see below), whose sum is σ = 595577304. Its totient is φ = 113443200.

The previous prime is 307242127. The next prime is 307242157. The reversal of 307242130 is 31242703.

It can be written as a sum of positive squares in 4 ways, for example, as 184497889 + 122744241 = 13583^2 + 11079^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181571 + ... + 1181830.

Almost surely, 2^307242130 is an apocalyptic number.

307242130 is a deficient number, since it is larger than the sum of its proper divisors (288335174).

307242130 is a wasteful number, since it uses less digits than its factorization.

307242130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363421.

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

The square root of 307242130 is about 17528.3236505948. The cubic root of 307242130 is about 674.7769761597.

Adding to 307242130 its reverse (31242703), we get a palindrome (338484833).

The spelling of 307242130 in words is "three hundred seven million, two hundred forty-two thousand, one hundred thirty".