30801338 has 4 divisors (see below), whose sum is σ = 46202010. Its totient is φ = 15400668.

The previous prime is 30801319. The next prime is 30801349. The reversal of 30801338 is 83310803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83310803 = 3257 ⋅25579.

It can be written as a sum of positive squares in only one way, i.e., 24334489 + 6466849 = 4933^2 + 2543^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7700333 + ... + 7700336.

Almost surely, 2^30801338 is an apocalyptic number.

30801338 is a deficient number, since it is larger than the sum of its proper divisors (15400672).

30801338 is a wasteful number, since it uses less digits than its factorization.

30801338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15400671.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 30801338 is about 5549.8953143280. The cubic root of 30801338 is about 313.4655804611.

The spelling of 30801338 in words is "thirty million, eight hundred one thousand, three hundred thirty-eight".