30111312100189 has 2 divisors, whose sum is σ = 30111312100190. Its totient is φ = 30111312100188.

The previous prime is 30111312100147. The next prime is 30111312100211. The reversal of 30111312100189 is 98100121311103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30074201160025 + 37110940164 = 5483995^2 + 192642^2 .

It is a cyclic number.

It is not a de Polignac number, because 30111312100189 - 2¹¹ = 30111312098141 is a prime.

It is a super-2 number, since 2×30111312100189² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30111312100189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30111312100489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15055656050094 + 15055656050095.

It is an arithmetic number, because the mean of its divisors is an integer number (15055656050095).

Almost surely, 2^{30111312100189} is an apocalyptic number.

It is an amenable number.

30111312100189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30111312100189 is an equidigital number, since it uses as much as digits as its factorization.

30111312100189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 30111312100189 in words is "thirty trillion, one hundred eleven billion, three hundred twelve million, one hundred thousand, one hundred eighty-nine".