30944130 has 32 divisors (see below), whose sum is σ = 84875904. Its totient is φ = 7072896.

The previous prime is 30944129. The next prime is 30944153. The reversal of 30944130 is 3144903.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30944130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73467 + ... + 73886.

It is an arithmetic number, because the mean of its divisors is an integer number (2652372).

Almost surely, 2^30944130 is an apocalyptic number.

30944130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30944130 is an abundant number, since it is smaller than the sum of its proper divisors (53931774).

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

30944130 is a wasteful number, since it uses less digits than its factorization.

30944130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147370.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 30944130 is about 5562.7448260728. The cubic root of 30944130 is about 313.9492324647.

The spelling of 30944130 in words is "thirty million, nine hundred forty-four thousand, one hundred thirty".