1316553231103 has 8 divisors (see below), whose sum is σ = 1443046715136. Its totient is φ = 1191194218200.

The previous prime is 1316553231101. The next prime is 1316553231109. The reversal of 1316553231103 is 3011323556131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1316553231103 - 2¹ = 1316553231101 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 (1316553231101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283615351 + ... + 283619992.

It is an arithmetic number, because the mean of its divisors is an integer number (180380839392).

Almost surely, 2^{1316553231103} is an apocalyptic number.

1316553231103 is a deficient number, since it is larger than the sum of its proper divisors (126493484033).

1316553231103 is a wasteful number, since it uses less digits than its factorization.

1316553231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567235565.

The product of its (nonzero) digits is 24300, while the sum is 34.

Adding to 1316553231103 its reverse (3011323556131), we get a palindrome (4327876787234).

The spelling of 1316553231103 in words is "one trillion, three hundred sixteen billion, five hundred fifty-three million, two hundred thirty-one thousand, one hundred three".