313030103321 has 4 divisors (see below), whose sum is σ = 337109342052. Its totient is φ = 288950864592.

The previous prime is 313030103317. The next prime is 313030103359. The reversal of 313030103321 is 123301030313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 171511939600 + 141518163721 = 414140^2 + 376189^2 .

It is not a de Polignac number, because 313030103321 - 2² = 313030103317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313030103293 and 313030103302.

It is not an unprimeable number, because it can be changed into a prime (313030103521) 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, 12039619346 + ... + 12039619371.

It is an arithmetic number, because the mean of its divisors is an integer number (84277335513).

Almost surely, 2^313030103321 is an apocalyptic number.

It is an amenable number.

313030103321 is a deficient number, since it is larger than the sum of its proper divisors (24079238731).

313030103321 is a wasteful number, since it uses less digits than its factorization.

313030103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24079238730.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 313030103321 its reverse (123301030313), we get a palindrome (436331133634).

The spelling of 313030103321 in words is "three hundred thirteen billion, thirty million, one hundred three thousand, three hundred twenty-one".