30800359 has 4 divisors (see below), whose sum is σ = 30956904. Its totient is φ = 30643816.

The previous prime is 30800353. The next prime is 30800383. The reversal of 30800359 is 95300803.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95300803 = 13 ⋅7330831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30800359 is a prime.

It is a super-2 number, since 2×30800359² = 1897324229057762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30800353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77977 + ... + 78370.

It is an arithmetic number, because the mean of its divisors is an integer number (7739226).

Almost surely, 2^30800359 is an apocalyptic number.

30800359 is a deficient number, since it is larger than the sum of its proper divisors (156545).

30800359 is a wasteful number, since it uses less digits than its factorization.

30800359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156544.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 30800359 is about 5549.8071137653. The cubic root of 30800359 is about 313.4622593278.

The spelling of 30800359 in words is "thirty million, eight hundred thousand, three hundred fifty-nine".