30120213031177 has 2 divisors, whose sum is σ = 30120213031178. Its totient is φ = 30120213031176.

The previous prime is 30120213031171. The next prime is 30120213031213. The reversal of 30120213031177 is 77113031202103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29554184013376 + 566029017801 = 5436376^2 + 752349^2 .

It is a cyclic number.

It is not a de Polignac number, because 30120213031177 - 2⁷ = 30120213031049 is a prime.

It is not a weakly prime, because it can be changed into another prime (30120213031171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060106515588 + 15060106515589.

It is an arithmetic number, because the mean of its divisors is an integer number (15060106515589).

Almost surely, 2^{30120213031177} is an apocalyptic number.

It is an amenable number.

30120213031177 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120213031177 is an equidigital number, since it uses as much as digits as its factorization.

30120213031177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The spelling of 30120213031177 in words is "thirty trillion, one hundred twenty billion, two hundred thirteen million, thirty-one thousand, one hundred seventy-seven".