30077082181381 has 2 divisors, whose sum is σ = 30077082181382. Its totient is φ = 30077082181380.

The previous prime is 30077082181331. The next prime is 30077082181411. The reversal of 30077082181381 is 18318128077003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29983838062500 + 93244118881 = 5475750^2 + 305359^2 .

It is an emirp because it is prime and its reverse (18318128077003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30077082181381 is a prime.

It is a super-2 number, since 2×30077082181381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30077082181301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15038541090690 + 15038541090691.

It is an arithmetic number, because the mean of its divisors is an integer number (15038541090691).

Almost surely, 2^{30077082181381} is an apocalyptic number.

It is an amenable number.

30077082181381 is a deficient number, since it is larger than the sum of its proper divisors (1).

30077082181381 is an equidigital number, since it uses as much as digits as its factorization.

30077082181381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 49.

The spelling of 30077082181381 in words is "thirty trillion, seventy-seven billion, eighty-two million, one hundred eighty-one thousand, three hundred eighty-one".