1313516353 has 4 divisors (see below), whose sum is σ = 1314507520. Its totient is φ = 1312525188.

The previous prime is 1313516311. The next prime is 1313516371. The reversal of 1313516353 is 3536153131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313516353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313516753) 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, 493593 + ... + 496246.

It is an arithmetic number, because the mean of its divisors is an integer number (328626880).

Almost surely, 2^1313516353 is an apocalyptic number.

It is an amenable number.

1313516353 is a deficient number, since it is larger than the sum of its proper divisors (991167).

1313516353 is an equidigital number, since it uses as much as digits as its factorization.

1313516353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991166.

The product of its digits is 12150, while the sum is 31.

The square root of 1313516353 is about 36242.4661550508. The cubic root of 1313516353 is about 1095.1623239546.

Adding to 1313516353 its reverse (3536153131), we get a palindrome (4849669484).

The spelling of 1313516353 in words is "one billion, three hundred thirteen million, five hundred sixteen thousand, three hundred fifty-three".