306130930 has 64 divisors (see below), whose sum is σ = 648000000. Its totient is φ = 104080704.

The previous prime is 306130871. The next prime is 306130949. The reversal of 306130930 is 39031603.

It is a super-2 number, since 2×306130930² = 187432292605329800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 306130895 and 306130904.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510771 + ... + 511369.

It is an arithmetic number, because the mean of its divisors is an integer number (10125000).

Almost surely, 2^306130930 is an apocalyptic number.

306130930 is an abundant number, since it is smaller than the sum of its proper divisors (341869070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306130930 is a wasteful number, since it uses less digits than its factorization.

306130930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 306130930 is about 17496.5976692613. The cubic root of 306130930 is about 673.9625067563.

The spelling of 306130930 in words is "three hundred six million, one hundred thirty thousand, nine hundred thirty".