30983561347 has 2 divisors, whose sum is σ = 30983561348. Its totient is φ = 30983561346.

The previous prime is 30983561237. The next prime is 30983561359. The reversal of 30983561347 is 74316538903.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30983561347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30983561347.

It is not a weakly prime, because it can be changed into another prime (30983561747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15491780673 + 15491780674.

It is an arithmetic number, because the mean of its divisors is an integer number (15491780674).

Almost surely, 2^30983561347 is an apocalyptic number.

30983561347 is a deficient number, since it is larger than the sum of its proper divisors (1).

30983561347 is an equidigital number, since it uses as much as digits as its factorization.

30983561347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 30983561347 in words is "thirty billion, nine hundred eighty-three million, five hundred sixty-one thousand, three hundred forty-seven".