305053030 has 32 divisors (see below), whose sum is σ = 580141440. Its totient is φ = 115301760.

The previous prime is 305053003. The next prime is 305053031. The reversal of 305053030 is 30350503.

It is a super-2 number, since 2×305053030² = 186114702224361800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 305052989 and 305053007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305053031) 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, 2440 + ... + 24820.

It is an arithmetic number, because the mean of its divisors is an integer number (18129420).

Almost surely, 2^305053030 is an apocalyptic number.

305053030 is a deficient number, since it is larger than the sum of its proper divisors (275088410).

305053030 is a wasteful number, since it uses less digits than its factorization.

305053030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22464.

The product of its (nonzero) digits is 675, while the sum is 19.

The square root of 305053030 is about 17465.7673750683. The cubic root of 305053030 is about 673.1705596691.

The spelling of 305053030 in words is "three hundred five million, fifty-three thousand, thirty".