30471343853 has 2 divisors, whose sum is σ = 30471343854. Its totient is φ = 30471343852.

The previous prime is 30471343823. The next prime is 30471343891. The reversal of 30471343853 is 35834317403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19454112484 + 11017231369 = 139478^2 + 104963^2 .

It is an emirp because it is prime and its reverse (35834317403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30471343853 - 2⁶ = 30471343789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30471343853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30471343823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15235671926 + 15235671927.

It is an arithmetic number, because the mean of its divisors is an integer number (15235671927).

Almost surely, 2^30471343853 is an apocalyptic number.

It is an amenable number.

30471343853 is a deficient number, since it is larger than the sum of its proper divisors (1).

30471343853 is an equidigital number, since it uses as much as digits as its factorization.

30471343853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 30471343853 in words is "thirty billion, four hundred seventy-one million, three hundred forty-three thousand, eight hundred fifty-three".