30983561245 has 16 divisors (see below), whose sum is σ = 45760337280. Its totient is φ = 19611572544.

The previous prime is 30983561237. The next prime is 30983561347. The reversal of 30983561245 is 54216538903.

It is a cyclic number.

It is not a de Polignac number, because 30983561245 - 2³ = 30983561237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30983561195 and 30983561204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34047415 + ... + 34048324.

It is an arithmetic number, because the mean of its divisors is an integer number (2860021080).

Almost surely, 2^30983561245 is an apocalyptic number.

30983561245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30983561245 is a deficient number, since it is larger than the sum of its proper divisors (14776776035).

30983561245 is a wasteful number, since it uses less digits than its factorization.

30983561245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68095764.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 30983561245 in words is "thirty billion, nine hundred eighty-three million, five hundred sixty-one thousand, two hundred forty-five".