30641530 has 16 divisors (see below), whose sum is σ = 55303560. Its totient is φ = 12223552.

The previous prime is 30641519. The next prime is 30641563. The reversal of 30641530 is 3514603.

It can be written as a sum of positive squares in 4 ways, for example, as 15031129 + 15610401 = 3877^2 + 3951^2 .

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, 49 + ... + 7828.

Almost surely, 2^30641530 is an apocalyptic number.

30641530 is a deficient number, since it is larger than the sum of its proper divisors (24662030).

30641530 is a wasteful number, since it uses less digits than its factorization.

30641530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8273.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 30641530 is about 5535.4792023817. The cubic root of 30641530 is about 312.9225175418.

The spelling of 30641530 in words is "thirty million, six hundred forty-one thousand, five hundred thirty".