30468813 has 24 divisors (see below), whose sum is σ = 43213632. Its totient is φ = 19090368.

The previous prime is 30468803. The next prime is 30468827. The reversal of 30468813 is 31886403.

It is not a de Polignac number, because 30468813 - 2⁶ = 30468749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30468803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115720 + ... + 115982.

It is an arithmetic number, because the mean of its divisors is an integer number (1800568).

Almost surely, 2^30468813 is an apocalyptic number.

It is an amenable number.

30468813 is a deficient number, since it is larger than the sum of its proper divisors (12744819).

30468813 is a wasteful number, since it uses less digits than its factorization.

30468813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 30468813 is about 5519.8562481282. The cubic root of 30468813 is about 312.3334596349. Note that the first 3 decimals are identical.

The spelling of 30468813 in words is "thirty million, four hundred sixty-eight thousand, eight hundred thirteen".