1313031132103 has 4 divisors (see below), whose sum is σ = 1323054270648. Its totient is φ = 1303007993560.

The previous prime is 1313031132079. The next prime is 1313031132137. The reversal of 1313031132103 is 3012311303131.

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 1313031132103 - 2⁵ = 1313031132071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313031132503) 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, 5011569076 + ... + 5011569337.

It is an arithmetic number, because the mean of its divisors is an integer number (330763567662).

Almost surely, 2^{1313031132103} is an apocalyptic number.

1313031132103 is a deficient number, since it is larger than the sum of its proper divisors (10023138545).

1313031132103 is a wasteful number, since it uses less digits than its factorization.

1313031132103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023138544.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1313031132103 its reverse (3012311303131), we get a palindrome (4325342435234).

The spelling of 1313031132103 in words is "one trillion, three hundred thirteen billion, thirty-one million, one hundred thirty-two thousand, one hundred three".