213001320307 has 2 divisors, whose sum is σ = 213001320308. Its totient is φ = 213001320306.

The previous prime is 213001320299. The next prime is 213001320347. The reversal of 213001320307 is 703023100312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213001320307 - 2³ = 213001320299 is a prime.

It is not a weakly prime, because it can be changed into another prime (213001320347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106500660153 + 106500660154.

It is an arithmetic number, because the mean of its divisors is an integer number (106500660154).

Almost surely, 2^213001320307 is an apocalyptic number.

213001320307 is a deficient number, since it is larger than the sum of its proper divisors (1).

213001320307 is an equidigital number, since it uses as much as digits as its factorization.

213001320307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 213001320307 its reverse (703023100312), we get a palindrome (916024420619).

The spelling of 213001320307 in words is "two hundred thirteen billion, one million, three hundred twenty thousand, three hundred seven".