213130331003 has 2 divisors, whose sum is σ = 213130331004. Its totient is φ = 213130331002.

The previous prime is 213130330991. The next prime is 213130331047. The reversal of 213130331003 is 300133031312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213130331003 - 2⁸ = 213130330747 is a prime.

It is not a weakly prime, because it can be changed into another prime (213130331303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106565165501 + 106565165502.

It is an arithmetic number, because the mean of its divisors is an integer number (106565165502).

Almost surely, 2^213130331003 is an apocalyptic number.

213130331003 is a deficient number, since it is larger than the sum of its proper divisors (1).

213130331003 is an equidigital number, since it uses as much as digits as its factorization.

213130331003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 213130331003 its reverse (300133031312), we get a palindrome (513263362315).

The spelling of 213130331003 in words is "two hundred thirteen billion, one hundred thirty million, three hundred thirty-one thousand, three".