213232999097 has 2 divisors, whose sum is σ = 213232999098. Its totient is φ = 213232999096.

The previous prime is 213232999061. The next prime is 213232999127. The reversal of 213232999097 is 790999232312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150033050281 + 63199948816 = 387341^2 + 251396^2 .

It is a cyclic number.

It is not a de Polignac number, because 213232999097 - 2¹⁴ = 213232982713 is a prime.

It is not a weakly prime, because it can be changed into another prime (213232999297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106616499548 + 106616499549.

It is an arithmetic number, because the mean of its divisors is an integer number (106616499549).

Almost surely, 2^213232999097 is an apocalyptic number.

It is an amenable number.

213232999097 is a deficient number, since it is larger than the sum of its proper divisors (1).

213232999097 is an equidigital number, since it uses as much as digits as its factorization.

213232999097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3306744, while the sum is 56.

The spelling of 213232999097 in words is "two hundred thirteen billion, two hundred thirty-two million, nine hundred ninety-nine thousand, ninety-seven".