30343205206 has 4 divisors (see below), whose sum is σ = 45514807812. Its totient is φ = 15171602602.

The previous prime is 30343205203. The next prime is 30343205213. The reversal of 30343205206 is 60250234303.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30343205203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7585801300 + ... + 7585801303.

It is an arithmetic number, because the mean of its divisors is an integer number (11378701953).

Almost surely, 2^30343205206 is an apocalyptic number.

30343205206 is a deficient number, since it is larger than the sum of its proper divisors (15171602606).

30343205206 is a wasteful number, since it uses less digits than its factorization.

30343205206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15171602605.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 30343205206 its reverse (60250234303), we get a palindrome (90593439509).

The spelling of 30343205206 in words is "thirty billion, three hundred forty-three million, two hundred five thousand, two hundred six".