1103430311213 has 2 divisors, whose sum is σ = 1103430311214. Its totient is φ = 1103430311212.

The previous prime is 1103430311209. The next prime is 1103430311227. The reversal of 1103430311213 is 3121130343011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1032749835049 + 70680476164 = 1016243^2 + 265858^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103430311213 - 2² = 1103430311209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103430311713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551715155606 + 551715155607.

It is an arithmetic number, because the mean of its divisors is an integer number (551715155607).

Almost surely, 2^{1103430311213} is an apocalyptic number.

It is an amenable number.

1103430311213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103430311213 is an equidigital number, since it uses as much as digits as its factorization.

1103430311213 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 23.

Adding to 1103430311213 its reverse (3121130343011), we get a palindrome (4224560654224).

The spelling of 1103430311213 in words is "one trillion, one hundred three billion, four hundred thirty million, three hundred eleven thousand, two hundred thirteen".