30131111113109 has 2 divisors, whose sum is σ = 30131111113110. Its totient is φ = 30131111113108.

The previous prime is 30131111113091. The next prime is 30131111113127. The reversal of 30131111113109 is 90131111113103.

Together with previous prime (30131111113091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (30131111113091) and next prime (30131111113127).

It can be written as a sum of positive squares in only one way, i.e., 29916283498084 + 214827615025 = 5469578^2 + 463495^2 .

It is a cyclic number.

It is not a de Polignac number, because 30131111113109 - 2⁴⁰ = 29031599485333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30131111110109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15065555556554 + 15065555556555.

It is an arithmetic number, because the mean of its divisors is an integer number (15065555556555).

Almost surely, 2^{30131111113109} is an apocalyptic number.

It is an amenable number.

30131111113109 is a deficient number, since it is larger than the sum of its proper divisors (1).

30131111113109 is an equidigital number, since it uses as much as digits as its factorization.

30131111113109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 26.

The spelling of 30131111113109 in words is "thirty trillion, one hundred thirty-one billion, one hundred eleven million, one hundred thirteen thousand, one hundred nine".