30950031939 has 4 divisors (see below), whose sum is σ = 41266709256. Its totient is φ = 20633354624.

The previous prime is 30950031919. The next prime is 30950031947. The reversal of 30950031939 is 93913005903.

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 30950031939 - 2¹⁷ = 30949900867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30950031939.

It is not an unprimeable number, because it can be changed into a prime (30950031919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5158338654 + ... + 5158338659.

It is an arithmetic number, because the mean of its divisors is an integer number (10316677314).

Almost surely, 2^30950031939 is an apocalyptic number.

30950031939 is a deficient number, since it is larger than the sum of its proper divisors (10316677317).

30950031939 is a wasteful number, since it uses less digits than its factorization.

30950031939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10316677316.

The product of its (nonzero) digits is 98415, while the sum is 42.

The spelling of 30950031939 in words is "thirty billion, nine hundred fifty million, thirty-one thousand, nine hundred thirty-nine".