213251023424503 has 2 divisors, whose sum is σ = 213251023424504. Its totient is φ = 213251023424502.

The previous prime is 213251023424489. The next prime is 213251023424533. The reversal of 213251023424503 is 305424320152312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213251023424503 - 2⁵ = 213251023424471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213251023424533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106625511712251 + 106625511712252.

It is an arithmetic number, because the mean of its divisors is an integer number (106625511712252).

Almost surely, 2^{213251023424503} is an apocalyptic number.

213251023424503 is a deficient number, since it is larger than the sum of its proper divisors (1).

213251023424503 is an equidigital number, since it uses as much as digits as its factorization.

213251023424503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 213251023424503 its reverse (305424320152312), we get a palindrome (518675343576815).

The spelling of 213251023424503 in words is "two hundred thirteen trillion, two hundred fifty-one billion, twenty-three million, four hundred twenty-four thousand, five hundred three".