1313454242 has 8 divisors (see below), whose sum is σ = 1971347436. Its totient is φ = 656338432.

The previous prime is 1313454217. The next prime is 1313454271. The reversal of 1313454242 is 2424543131.

It can be written as a sum of positive squares in 2 ways, for example, as 1131716881 + 181737361 = 33641^2 + 13481^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190103 + ... + 196890.

Almost surely, 2^1313454242 is an apocalyptic number.

1313454242 is a deficient number, since it is larger than the sum of its proper divisors (657893194).

1313454242 is a wasteful number, since it uses less digits than its factorization.

1313454242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388692.

The product of its digits is 11520, while the sum is 29.

The square root of 1313454242 is about 36241.6092633867. The cubic root of 1313454242 is about 1095.1450617157.

Adding to 1313454242 its reverse (2424543131), we get a palindrome (3737997373).

Subtracting 1313454242 from its reverse (2424543131), we obtain a square (1111088889 = 33333²).

It can be divided in two parts, 13134 and 54242, that added together give a palindrome (67376).

The spelling of 1313454242 in words is "one billion, three hundred thirteen million, four hundred fifty-four thousand, two hundred forty-two".