30213132197 has 2 divisors, whose sum is σ = 30213132198. Its totient is φ = 30213132196.

The previous prime is 30213132193. The next prime is 30213132221. The reversal of 30213132197 is 79123131203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23309350276 + 6903781921 = 152674^2 + 83089^2 .

It is a cyclic number.

It is not a de Polignac number, because 30213132197 - 2² = 30213132193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30213132193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106566098 + 15106566099.

It is an arithmetic number, because the mean of its divisors is an integer number (15106566099).

Almost surely, 2^30213132197 is an apocalyptic number.

It is an amenable number.

30213132197 is a deficient number, since it is larger than the sum of its proper divisors (1).

30213132197 is an equidigital number, since it uses as much as digits as its factorization.

30213132197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 30213132197 in words is "thirty billion, two hundred thirteen million, one hundred thirty-two thousand, one hundred ninety-seven".