30880047197 has 2 divisors, whose sum is σ = 30880047198. Its totient is φ = 30880047196.

The previous prime is 30880047193. The next prime is 30880047221. The reversal of 30880047197 is 79174008803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30743764921 + 136282276 = 175339^2 + 11674^2 .

It is a cyclic number.

It is not a de Polignac number, because 30880047197 - 2² = 30880047193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30880047193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15440023598 + 15440023599.

It is an arithmetic number, because the mean of its divisors is an integer number (15440023599).

Almost surely, 2^30880047197 is an apocalyptic number.

It is an amenable number.

30880047197 is a deficient number, since it is larger than the sum of its proper divisors (1).

30880047197 is an equidigital number, since it uses as much as digits as its factorization.

30880047197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 30880047197 in words is "thirty billion, eight hundred eighty million, forty-seven thousand, one hundred ninety-seven".