1313330453 has 16 divisors (see below), whose sum is σ = 1371308400. Its totient is φ = 1256263680.

The previous prime is 1313330441. The next prime is 1313330479. The reversal of 1313330453 is 3540333131.

It can be written as a sum of positive squares in 8 ways, for example, as 2745649 + 1310584804 = 1657^2 + 36202^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313330453 - 2⁸ = 1313330197 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 (1313339453) 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, 2579963 + ... + 2580471.

It is an arithmetic number, because the mean of its divisors is an integer number (85706775).

Almost surely, 2^1313330453 is an apocalyptic number.

It is an amenable number.

1313330453 is a deficient number, since it is larger than the sum of its proper divisors (57977947).

1313330453 is a wasteful number, since it uses less digits than its factorization.

1313330453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192.

The product of its (nonzero) digits is 4860, while the sum is 26.

The square root of 1313330453 is about 36239.9013933537. The cubic root of 1313330453 is about 1095.1106559565.

Adding to 1313330453 its reverse (3540333131), we get a palindrome (4853663584).

The spelling of 1313330453 in words is "one billion, three hundred thirteen million, three hundred thirty thousand, four hundred fifty-three".