210133310503 has 2 divisors, whose sum is σ = 210133310504. Its totient is φ = 210133310502.

The previous prime is 210133310501. The next prime is 210133310521. The reversal of 210133310503 is 305013331012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210133310503 - 2¹ = 210133310501 is a prime.

It is a super-2 number, since 2×210133310503² (a number of 23 digits) contains 22 as substring.

Together with 210133310501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210133310501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105066655251 + 105066655252.

It is an arithmetic number, because the mean of its divisors is an integer number (105066655252).

Almost surely, 2^210133310503 is an apocalyptic number.

210133310503 is a deficient number, since it is larger than the sum of its proper divisors (1).

210133310503 is an equidigital number, since it uses as much as digits as its factorization.

210133310503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 210133310503 its reverse (305013331012), we get a palindrome (515146641515).

The spelling of 210133310503 in words is "two hundred ten billion, one hundred thirty-three million, three hundred ten thousand, five hundred three".