30968357 has 8 divisors (see below), whose sum is σ = 35548800. Its totient is φ = 26427024.

The previous prime is 30968341. The next prime is 30968369. The reversal of 30968357 is 75386903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30968357 - 2⁴ = 30968341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30968057) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8057 + ... + 11262.

It is an arithmetic number, because the mean of its divisors is an integer number (4443600).

Almost surely, 2^30968357 is an apocalyptic number.

It is an amenable number.

30968357 is a deficient number, since it is larger than the sum of its proper divisors (4580443).

30968357 is a wasteful number, since it uses less digits than its factorization.

30968357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19555.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 30968357 is about 5564.9220120322. The cubic root of 30968357 is about 314.0311442191.

The spelling of 30968357 in words is "thirty million, nine hundred sixty-eight thousand, three hundred fifty-seven".