305017130 has 16 divisors (see below), whose sum is σ = 598942944. Its totient is φ = 110915280.

The previous prime is 305017123. The next prime is 305017201. The reversal of 305017130 is 31710503.

It is a happy number.

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, 1386332 + ... + 1386551.

It is an arithmetic number, because the mean of its divisors is an integer number (37433934).

Almost surely, 2^305017130 is an apocalyptic number.

305017130 is a deficient number, since it is larger than the sum of its proper divisors (293925814).

305017130 is a wasteful number, since it uses less digits than its factorization.

305017130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772901.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 305017130 is about 17464.7396201604. The cubic root of 305017130 is about 673.1441513960.

Adding to 305017130 its reverse (31710503), we get a palindrome (336727633).

The spelling of 305017130 in words is "three hundred five million, seventeen thousand, one hundred thirty".