1313210553 has 8 divisors (see below), whose sum is σ = 1827075648. Its totient is φ = 837409584.

The previous prime is 1313210537. The next prime is 1313210557. The reversal of 1313210553 is 3550123131.

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

It is not a de Polignac number, because 1313210553 - 2⁴ = 1313210537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1313210557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9515950 + ... + 9516087.

It is an arithmetic number, because the mean of its divisors is an integer number (228384456).

Almost surely, 2^1313210553 is an apocalyptic number.

It is an amenable number.

1313210553 is a deficient number, since it is larger than the sum of its proper divisors (513865095).

1313210553 is a wasteful number, since it uses less digits than its factorization.

1313210553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19032063.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1313210553 is about 36238.2471016466. The cubic root of 1313210553 is about 1095.0773290398.

Adding to 1313210553 its reverse (3550123131), we get a palindrome (4863333684).

The spelling of 1313210553 in words is "one billion, three hundred thirteen million, two hundred ten thousand, five hundred fifty-three".