210330131953 has 2 divisors, whose sum is σ = 210330131954. Its totient is φ = 210330131952.

The previous prime is 210330131929. The next prime is 210330132013. The reversal of 210330131953 is 359131033012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195516077584 + 14814054369 = 442172^2 + 121713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210330131953 is a prime.

It is not a weakly prime, because it can be changed into another prime (210330161953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105165065976 + 105165065977.

It is an arithmetic number, because the mean of its divisors is an integer number (105165065977).

Almost surely, 2^210330131953 is an apocalyptic number.

It is an amenable number.

210330131953 is a deficient number, since it is larger than the sum of its proper divisors (1).

210330131953 is an equidigital number, since it uses as much as digits as its factorization.

210330131953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 31.

Adding to 210330131953 its reverse (359131033012), we get a palindrome (569461164965).

The spelling of 210330131953 in words is "two hundred ten billion, three hundred thirty million, one hundred thirty-one thousand, nine hundred fifty-three".