313556060321 has 4 divisors (see below), whose sum is σ = 358349783232. Its totient is φ = 268762337412.

The previous prime is 313556060309. The next prime is 313556060357. The reversal of 313556060321 is 123060655313.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123060655313 = 1237 ⋅99483149.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313556060321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313556060371) 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, 22396861445 + ... + 22396861458.

It is an arithmetic number, because the mean of its divisors is an integer number (89587445808).

Almost surely, 2^313556060321 is an apocalyptic number.

It is an amenable number.

313556060321 is a deficient number, since it is larger than the sum of its proper divisors (44793722911).

313556060321 is an equidigital number, since it uses as much as digits as its factorization.

313556060321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44793722910.

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 313556060321 in words is "three hundred thirteen billion, five hundred fifty-six million, sixty thousand, three hundred twenty-one".