213130331303 has 2 divisors, whose sum is σ = 213130331304. Its totient is φ = 213130331302.

The previous prime is 213130331291. The next prime is 213130331329. The reversal of 213130331303 is 303133031312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213130331303 - 2⁸ = 213130331047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213130331003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106565165651 + 106565165652.

It is an arithmetic number, because the mean of its divisors is an integer number (106565165652).

Almost surely, 2^213130331303 is an apocalyptic number.

213130331303 is a deficient number, since it is larger than the sum of its proper divisors (1).

213130331303 is an equidigital number, since it uses as much as digits as its factorization.

213130331303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 213130331303 its reverse (303133031312), we get a palindrome (516263362615).

The spelling of 213130331303 in words is "two hundred thirteen billion, one hundred thirty million, three hundred thirty-one thousand, three hundred three".