213232313401 has 2 divisors, whose sum is σ = 213232313402. Its totient is φ = 213232313400.

The previous prime is 213232313297. The next prime is 213232313419. The reversal of 213232313401 is 104313232312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169760480400 + 43471833001 = 412020^2 + 208499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213232313401 is a prime.

It is not a weakly prime, because it can be changed into another prime (213232313431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106616156700 + 106616156701.

It is an arithmetic number, because the mean of its divisors is an integer number (106616156701).

Almost surely, 2^213232313401 is an apocalyptic number.

It is an amenable number.

213232313401 is a deficient number, since it is larger than the sum of its proper divisors (1).

213232313401 is an equidigital number, since it uses as much as digits as its factorization.

213232313401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 213232313401 its reverse (104313232312), we get a palindrome (317545545713).

The spelling of 213232313401 in words is "two hundred thirteen billion, two hundred thirty-two million, three hundred thirteen thousand, four hundred one".