313221303553103 has 16 divisors (see below), whose sum is σ = 343664360825856. Its totient is φ = 283109556810240.

The previous prime is 313221303553079. The next prime is 313221303553111. The reversal of 313221303553103 is 301355303122313.

It is a cyclic number.

It is not a de Polignac number, because 313221303553103 - 2¹⁴ = 313221303536719 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 (313221303553703) 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, 79193426 + ... + 83054447.

It is an arithmetic number, because the mean of its divisors is an integer number (21479022551616).

Almost surely, 2^{313221303553103} is an apocalyptic number.

313221303553103 is a deficient number, since it is larger than the sum of its proper divisors (30443057272753).

313221303553103 is a wasteful number, since it uses less digits than its factorization.

313221303553103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162248894.

The product of its (nonzero) digits is 72900, while the sum is 35.

Adding to 313221303553103 its reverse (301355303122313), we get a palindrome (614576606675416).

The spelling of 313221303553103 in words is "three hundred thirteen trillion, two hundred twenty-one billion, three hundred three million, five hundred fifty-three thousand, one hundred three".