1013144321103 has 4 divisors (see below), whose sum is σ = 1350859094808. Its totient is φ = 675429547400.

The previous prime is 1013144321071. The next prime is 1013144321149. The reversal of 1013144321103 is 3011234413101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1013144321103 - 2⁵ = 1013144321071 is a prime.

It is a super-2 number, since 2×1013144321103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013144321153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168857386848 + ... + 168857386853.

It is an arithmetic number, because the mean of its divisors is an integer number (337714773702).

Almost surely, 2^{1013144321103} is an apocalyptic number.

1013144321103 is a deficient number, since it is larger than the sum of its proper divisors (337714773705).

1013144321103 is an equidigital number, since it uses as much as digits as its factorization.

1013144321103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337714773704.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1013144321103 its reverse (3011234413101), we get a palindrome (4024378734204).

The spelling of 1013144321103 in words is "one trillion, thirteen billion, one hundred forty-four million, three hundred twenty-one thousand, one hundred three".