43103211313 has 2 divisors, whose sum is σ = 43103211314. Its totient is φ = 43103211312.

The previous prime is 43103211227. The next prime is 43103211329. The reversal of 43103211313 is 31311230134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26610744384 + 16492466929 = 163128^2 + 128423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43103211313 is a prime.

It is not a weakly prime, because it can be changed into another prime (43103211343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21551605656 + 21551605657.

It is an arithmetic number, because the mean of its divisors is an integer number (21551605657).

Almost surely, 2^43103211313 is an apocalyptic number.

It is an amenable number.

43103211313 is a deficient number, since it is larger than the sum of its proper divisors (1).

43103211313 is an equidigital number, since it uses as much as digits as its factorization.

43103211313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 43103211313 its reverse (31311230134), we get a palindrome (74414441447).

The spelling of 43103211313 in words is "forty-three billion, one hundred three million, two hundred eleven thousand, three hundred thirteen".