30120311113 has 2 divisors, whose sum is σ = 30120311114. Its totient is φ = 30120311112.

The previous prime is 30120311063. The next prime is 30120311129. The reversal of 30120311113 is 31111302103.

It is an a-pointer prime, because the next prime (30120311129) can be obtained adding 30120311113 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26454371904 + 3665939209 = 162648^2 + 60547^2 .

It is a cyclic number.

It is not a de Polignac number, because 30120311113 - 2²⁵ = 30086756681 is a prime.

It is a super-2 number, since 2×30120311113² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30120311413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060155556 + 15060155557.

It is an arithmetic number, because the mean of its divisors is an integer number (15060155557).

Almost surely, 2^30120311113 is an apocalyptic number.

It is an amenable number.

30120311113 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120311113 is an equidigital number, since it uses as much as digits as its factorization.

30120311113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 30120311113 its reverse (31111302103), we get a palindrome (61231613216).

The spelling of 30120311113 in words is "thirty billion, one hundred twenty million, three hundred eleven thousand, one hundred thirteen".