30934913 has 8 divisors (see below), whose sum is σ = 31570560. Its totient is φ = 30304960.

The previous prime is 30934903. The next prime is 30934919. The reversal of 30934913 is 31943903.

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 30934913 - 2¹⁸ = 30672769 is a prime.

It is a Duffinian number.

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 30934913.

It is not an unprimeable number, because it can be changed into a prime (30934919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10553 + ... + 13161.

It is an arithmetic number, because the mean of its divisors is an integer number (3946320).

Almost surely, 2^30934913 is an apocalyptic number.

It is an amenable number.

30934913 is a deficient number, since it is larger than the sum of its proper divisors (635647).

30934913 is a wasteful number, since it uses less digits than its factorization.

30934913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 30934913 is about 5561.9163064541. The cubic root of 30934913 is about 313.9180584593.

The spelling of 30934913 in words is "thirty million, nine hundred thirty-four thousand, nine hundred thirteen".