30941430 has 32 divisors (see below), whose sum is σ = 79972704. Its totient is φ = 7616256.

The previous prime is 30941423. The next prime is 30941431. The reversal of 30941430 is 3414903.

It is an alternating number because its digits alternate between odd and even.

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 30941430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30941431) 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, 39279 + ... + 40058.

It is an arithmetic number, because the mean of its divisors is an integer number (2499147).

Almost surely, 2^30941430 is an apocalyptic number.

30941430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30941430 is an abundant number, since it is smaller than the sum of its proper divisors (49031274).

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

30941430 is a wasteful number, since it uses less digits than its factorization.

30941430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79360.

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

The square root of 30941430 is about 5562.5021348311. The cubic root of 30941430 is about 313.9401010874.

The spelling of 30941430 in words is "thirty million, nine hundred forty-one thousand, four hundred thirty".