1013231243103 has 16 divisors (see below), whose sum is σ = 1355413549056. Its totient is φ = 673271131680.

The previous prime is 1013231243081. The next prime is 1013231243117. The reversal of 1013231243103 is 3013421323101.

It is not a de Polignac number, because 1013231243103 - 2⁵ = 1013231243071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013238243103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029426 + ... + 1756752.

It is an arithmetic number, because the mean of its divisors is an integer number (84713346816).

Almost surely, 2^{1013231243103} is an apocalyptic number.

1013231243103 is a deficient number, since it is larger than the sum of its proper divisors (342182305953).

1013231243103 is a wasteful number, since it uses less digits than its factorization.

1013231243103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728854.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1013231243103 its reverse (3013421323101), we get a palindrome (4026652566204).

The spelling of 1013231243103 in words is "one trillion, thirteen billion, two hundred thirty-one million, two hundred forty-three thousand, one hundred three".