1013103121343 has 2 divisors, whose sum is σ = 1013103121344. Its totient is φ = 1013103121342.

The previous prime is 1013103121321. The next prime is 1013103121361. The reversal of 1013103121343 is 3431213013101.

It is a strong prime.

It is an emirp because it is prime and its reverse (3431213013101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013103121343 - 2⁶ = 1013103121279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013103121543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506551560671 + 506551560672.

It is an arithmetic number, because the mean of its divisors is an integer number (506551560672).

Almost surely, 2^{1013103121343} is an apocalyptic number.

1013103121343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013103121343 is an equidigital number, since it uses as much as digits as its factorization.

1013103121343 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 1013103121343 its reverse (3431213013101), we get a palindrome (4444316134444).

The spelling of 1013103121343 in words is "one trillion, thirteen billion, one hundred three million, one hundred twenty-one thousand, three hundred forty-three".