30968430 has 32 divisors (see below), whose sum is σ = 75730464. Its totient is φ = 8102016.

The previous prime is 30968393. The next prime is 30968437. The reversal of 30968430 is 3486903.

It is a junction number, because it is equal to n+sod(n) for n = 30968391 and 30968400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30968437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8149 + ... + 11328.

It is an arithmetic number, because the mean of its divisors is an integer number (2366577).

Almost surely, 2^30968430 is an apocalyptic number.

30968430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30968430 is an abundant number, since it is smaller than the sum of its proper divisors (44762034).

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

30968430 is a wasteful number, since it uses less digits than its factorization.

30968430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19540.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 30968430 is about 5564.9285709702. The cubic root of 30968430 is about 314.0313909683.

The spelling of 30968430 in words is "thirty million, nine hundred sixty-eight thousand, four hundred thirty".