30172153147 has 2 divisors, whose sum is σ = 30172153148. Its totient is φ = 30172153146.

The previous prime is 30172153133. The next prime is 30172153213. The reversal of 30172153147 is 74135127103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30172153147 - 2¹¹ = 30172151099 is a prime.

It is not a weakly prime, because it can be changed into another prime (30172103147) by changing a digit.

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 as a sum of consecutive naturals, namely, 15086076573 + 15086076574.

It is an arithmetic number, because the mean of its divisors is an integer number (15086076574).

Almost surely, 2^30172153147 is an apocalyptic number.

30172153147 is a deficient number, since it is larger than the sum of its proper divisors (1).

30172153147 is an equidigital number, since it uses as much as digits as its factorization.

30172153147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 30172153147 in words is "thirty billion, one hundred seventy-two million, one hundred fifty-three thousand, one hundred forty-seven".