30210778141 has 2 divisors, whose sum is σ = 30210778142. Its totient is φ = 30210778140.

The previous prime is 30210778109. The next prime is 30210778187. The reversal of 30210778141 is 14187701203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18562972516 + 11647805625 = 136246^2 + 107925^2 .

It is a cyclic number.

It is not a de Polignac number, because 30210778141 - 2⁵ = 30210778109 is a prime.

It is a super-2 number, since 2×30210778141² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30210778097 and 30210778106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30210778441) 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, 15105389070 + 15105389071.

It is an arithmetic number, because the mean of its divisors is an integer number (15105389071).

Almost surely, 2^30210778141 is an apocalyptic number.

It is an amenable number.

30210778141 is a deficient number, since it is larger than the sum of its proper divisors (1).

30210778141 is an equidigital number, since it uses as much as digits as its factorization.

30210778141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 34.

The spelling of 30210778141 in words is "thirty billion, two hundred ten million, seven hundred seventy-eight thousand, one hundred forty-one".