1013344321403 has 2 divisors, whose sum is σ = 1013344321404. Its totient is φ = 1013344321402.

The previous prime is 1013344321373. The next prime is 1013344321421. The reversal of 1013344321403 is 3041234433101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013344321403 - 2²⁰ = 1013343272827 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013344921403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506672160701 + 506672160702.

It is an arithmetic number, because the mean of its divisors is an integer number (506672160702).

Almost surely, 2^{1013344321403} is an apocalyptic number.

1013344321403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013344321403 is an equidigital number, since it uses as much as digits as its factorization.

1013344321403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1013344321403 its reverse (3041234433101), we get a palindrome (4054578754504).

The spelling of 1013344321403 in words is "one trillion, thirteen billion, three hundred forty-four million, three hundred twenty-one thousand, four hundred three".