305286130 has 32 divisors (see below), whose sum is σ = 574677504. Its totient is φ = 116546496.

The previous prime is 305286127. The next prime is 305286133. The reversal of 305286130 is 31682503.

It is an interprime number because it is at equal distance from previous prime (305286127) and next prime (305286133).

It is not an unprimeable number, because it can be changed into a prime (305286133) 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, 126919 + ... + 129301.

It is an arithmetic number, because the mean of its divisors is an integer number (17958672).

Almost surely, 2^305286130 is an apocalyptic number.

305286130 is a deficient number, since it is larger than the sum of its proper divisors (269391374).

305286130 is a wasteful number, since it uses less digits than its factorization.

305286130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 305286130 is about 17472.4391542795. The cubic root of 305286130 is about 673.3419791612.

The spelling of 305286130 in words is "three hundred five million, two hundred eighty-six thousand, one hundred thirty".