30814843243 has 4 divisors (see below), whose sum is σ = 30835623448. Its totient is φ = 30794063040.

The previous prime is 30814843201. The next prime is 30814843249. The reversal of 30814843243 is 34234841803.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30814843243 - 2¹⁷ = 30814712171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30814843196 and 30814843205.

It is not an unprimeable number, because it can be changed into a prime (30814843249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10387878 + ... + 10390843.

It is an arithmetic number, because the mean of its divisors is an integer number (7708905862).

Almost surely, 2^30814843243 is an apocalyptic number.

30814843243 is a deficient number, since it is larger than the sum of its proper divisors (20780205).

30814843243 is a wasteful number, since it uses less digits than its factorization.

30814843243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20780204.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 30814843243 in words is "thirty billion, eight hundred fourteen million, eight hundred forty-three thousand, two hundred forty-three".