213025323361 has 2 divisors, whose sum is σ = 213025323362. Its totient is φ = 213025323360.

The previous prime is 213025323353. The next prime is 213025323449. The reversal of 213025323361 is 163323520312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117138485025 + 95886838336 = 342255^2 + 309656^2 .

It is a cyclic number.

It is not a de Polignac number, because 213025323361 - 2³ = 213025323353 is a prime.

It is a super-2 number, since 2×213025323361² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213025323311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106512661680 + 106512661681.

It is an arithmetic number, because the mean of its divisors is an integer number (106512661681).

Almost surely, 2^213025323361 is an apocalyptic number.

It is an amenable number.

213025323361 is a deficient number, since it is larger than the sum of its proper divisors (1).

213025323361 is an equidigital number, since it uses as much as digits as its factorization.

213025323361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 213025323361 its reverse (163323520312), we get a palindrome (376348843673).

The spelling of 213025323361 in words is "two hundred thirteen billion, twenty-five million, three hundred twenty-three thousand, three hundred sixty-one".