30471133249 has 2 divisors, whose sum is σ = 30471133250. Its totient is φ = 30471133248.

The previous prime is 30471133243. The next prime is 30471133337. The reversal of 30471133249 is 94233117403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23849242624 + 6621890625 = 154432^2 + 81375^2 .

It is a cyclic number.

It is not a de Polignac number, because 30471133249 - 2³³ = 21881198657 is a prime.

It is a super-2 number, since 2×30471133249² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30471133243) 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 as a sum of consecutive naturals, namely, 15235566624 + 15235566625.

It is an arithmetic number, because the mean of its divisors is an integer number (15235566625).

Almost surely, 2^30471133249 is an apocalyptic number.

It is an amenable number.

30471133249 is a deficient number, since it is larger than the sum of its proper divisors (1).

30471133249 is an equidigital number, since it uses as much as digits as its factorization.

30471133249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 30471133249 in words is "thirty billion, four hundred seventy-one million, one hundred thirty-three thousand, two hundred forty-nine".