30201320077 has 2 divisors, whose sum is σ = 30201320078. Its totient is φ = 30201320076.

The previous prime is 30201320003. The next prime is 30201320087. The reversal of 30201320077 is 77002310203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28611384201 + 1589935876 = 169149^2 + 39874^2 .

It is a cyclic number.

It is not a de Polignac number, because 30201320077 - 2¹⁵ = 30201287309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30201320087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15100660038 + 15100660039.

It is an arithmetic number, because the mean of its divisors is an integer number (15100660039).

Almost surely, 2^30201320077 is an apocalyptic number.

It is an amenable number.

30201320077 is a deficient number, since it is larger than the sum of its proper divisors (1).

30201320077 is an equidigital number, since it uses as much as digits as its factorization.

30201320077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 25.

The spelling of 30201320077 in words is "thirty billion, two hundred one million, three hundred twenty thousand, seventy-seven".