210231021131303 has 2 divisors, whose sum is σ = 210231021131304. Its totient is φ = 210231021131302.

The previous prime is 210231021131293. The next prime is 210231021131317. The reversal of 210231021131303 is 303131120132012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210231021131303 - 2¹⁰ = 210231021130279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210231021181303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105115510565651 + 105115510565652.

It is an arithmetic number, because the mean of its divisors is an integer number (105115510565652).

Almost surely, 2^{210231021131303} is an apocalyptic number.

210231021131303 is a deficient number, since it is larger than the sum of its proper divisors (1).

210231021131303 is an equidigital number, since it uses as much as digits as its factorization.

210231021131303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 210231021131303 its reverse (303131120132012), we get a palindrome (513362141263315).

The spelling of 210231021131303 in words is "two hundred ten trillion, two hundred thirty-one billion, twenty-one million, one hundred thirty-one thousand, three hundred three".