213030331023253 has 2 divisors, whose sum is σ = 213030331023254. Its totient is φ = 213030331023252.

The previous prime is 213030331023173. The next prime is 213030331023259. The reversal of 213030331023253 is 352320133030312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170764443529969 + 42265887493284 = 13067687^2 + 6501222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213030331023253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213030331023259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106515165511626 + 106515165511627.

It is an arithmetic number, because the mean of its divisors is an integer number (106515165511627).

Almost surely, 2^{213030331023253} is an apocalyptic number.

It is an amenable number.

213030331023253 is a deficient number, since it is larger than the sum of its proper divisors (1).

213030331023253 is an equidigital number, since it uses as much as digits as its factorization.

213030331023253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 31.

Adding to 213030331023253 its reverse (352320133030312), we get a palindrome (565350464053565).

The spelling of 213030331023253 in words is "two hundred thirteen trillion, thirty billion, three hundred thirty-one million, twenty-three thousand, two hundred fifty-three".