30948952279 has 12 divisors (see below), whose sum is σ = 37243287000. Its totient is φ = 25612924848.

The previous prime is 30948952277. The next prime is 30948952339. The reversal of 30948952279 is 97225984903.

It is not a de Polignac number, because 30948952279 - 2¹ = 30948952277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30948952273) 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 11 ways as a sum of consecutive naturals, for example, 10888429 + ... + 10891270.

It is an arithmetic number, because the mean of its divisors is an integer number (3103607250).

Almost surely, 2^30948952279 is an apocalyptic number.

30948952279 is a deficient number, since it is larger than the sum of its proper divisors (6294334721).

30948952279 is a wasteful number, since it uses less digits than its factorization.

30948952279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21779742 (or 21779735 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 30948952279 in words is "thirty billion, nine hundred forty-eight million, nine hundred fifty-two thousand, two hundred seventy-nine".