313242603553 has 4 divisors (see below), whose sum is σ = 341719203888. Its totient is φ = 284766003220.

The previous prime is 313242603533. The next prime is 313242603563. The reversal of 313242603553 is 355306242313.

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 not a de Polignac number, because 313242603553 - 2²¹ = 313240506401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313242603533) 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, 14238300151 + ... + 14238300172.

It is an arithmetic number, because the mean of its divisors is an integer number (85429800972).

Almost surely, 2^313242603553 is an apocalyptic number.

It is an amenable number.

313242603553 is a deficient number, since it is larger than the sum of its proper divisors (28476600335).

313242603553 is a wasteful number, since it uses less digits than its factorization.

313242603553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28476600334.

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 313242603553 its reverse (355306242313), we get a palindrome (668548845866).

The spelling of 313242603553 in words is "three hundred thirteen billion, two hundred forty-two million, six hundred three thousand, five hundred fifty-three".