1313323453 has 8 divisors (see below), whose sum is σ = 1488788000. Its totient is φ = 1148493168.

The previous prime is 1313323447. The next prime is 1313323471. The reversal of 1313323453 is 3543233131.

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 1313323453 - 2¹³ = 1313315261 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 (1313323433) 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, 2658303 + ... + 2658796.

It is an arithmetic number, because the mean of its divisors is an integer number (186098500).

Almost surely, 2^1313323453 is an apocalyptic number.

1313323453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1313323453 is a deficient number, since it is larger than the sum of its proper divisors (175464547).

1313323453 is a wasteful number, since it uses less digits than its factorization.

1313323453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5317131.

The product of its digits is 9720, while the sum is 28.

The square root of 1313323453 is about 36239.8048145958. The cubic root of 1313323453 is about 1095.1087103207.

Adding to 1313323453 its reverse (3543233131), we get a palindrome (4856556584).

The spelling of 1313323453 in words is "one billion, three hundred thirteen million, three hundred twenty-three thousand, four hundred fifty-three".