1103312421313 has 2 divisors, whose sum is σ = 1103312421314. Its totient is φ = 1103312421312.

The previous prime is 1103312421311. The next prime is 1103312421349. The reversal of 1103312421313 is 3131242133011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1086812505009 + 16499916304 = 1042503^2 + 128452^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103312421313 - 2¹ = 1103312421311 is a prime.

Together with 1103312421311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1103312421311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551656210656 + 551656210657.

It is an arithmetic number, because the mean of its divisors is an integer number (551656210657).

Almost surely, 2^{1103312421313} is an apocalyptic number.

It is an amenable number.

1103312421313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103312421313 is an equidigital number, since it uses as much as digits as its factorization.

1103312421313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1103312421313 its reverse (3131242133011), we get a palindrome (4234554554324).

The spelling of 1103312421313 in words is "one trillion, one hundred three billion, three hundred twelve million, four hundred twenty-one thousand, three hundred thirteen".