213112030297 has 2 divisors, whose sum is σ = 213112030298. Its totient is φ = 213112030296.

The previous prime is 213112030273. The next prime is 213112030343. The reversal of 213112030297 is 792030211312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132222413376 + 80889616921 = 363624^2 + 284411^2 .

It is a cyclic number.

It is not a de Polignac number, because 213112030297 - 2²³ = 213103641689 is a prime.

It is not a weakly prime, because it can be changed into another prime (213112030207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556015148 + 106556015149.

It is an arithmetic number, because the mean of its divisors is an integer number (106556015149).

Almost surely, 2^213112030297 is an apocalyptic number.

It is an amenable number.

213112030297 is a deficient number, since it is larger than the sum of its proper divisors (1).

213112030297 is an equidigital number, since it uses as much as digits as its factorization.

213112030297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 213112030297 in words is "two hundred thirteen billion, one hundred twelve million, thirty thousand, two hundred ninety-seven".