30231100169 has 2 divisors, whose sum is σ = 30231100170. Its totient is φ = 30231100168.

The previous prime is 30231100099. The next prime is 30231100171. The reversal of 30231100169 is 96100113203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29903055625 + 328044544 = 172925^2 + 18112^2 .

It is a cyclic number.

It is not a de Polignac number, because 30231100169 - 2¹⁶ = 30231034633 is a prime.

It is a super-2 number, since 2×30231100169² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 30231100171, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30231100189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115550084 + 15115550085.

It is an arithmetic number, because the mean of its divisors is an integer number (15115550085).

Almost surely, 2^30231100169 is an apocalyptic number.

It is an amenable number.

30231100169 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231100169 is an equidigital number, since it uses as much as digits as its factorization.

30231100169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 30231100169 in words is "thirty billion, two hundred thirty-one million, one hundred thousand, one hundred sixty-nine".