313105383061 has 4 divisors (see below), whose sum is σ = 319013031852. Its totient is φ = 307197734272.

The previous prime is 313105383047. The next prime is 313105383077. The reversal of 313105383061 is 160383501313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160383501313 = 7 ⋅22911928759.

It can be written as a sum of positive squares in 2 ways, for example, as 218748902436 + 94356480625 = 467706^2 + 307175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313105383061 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 (313105383361) 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, 2953824316 + ... + 2953824421.

It is an arithmetic number, because the mean of its divisors is an integer number (79753257963).

Almost surely, 2^313105383061 is an apocalyptic number.

It is an amenable number.

313105383061 is a deficient number, since it is larger than the sum of its proper divisors (5907648791).

313105383061 is an equidigital number, since it uses as much as digits as its factorization.

313105383061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907648790.

The product of its (nonzero) digits is 19440, while the sum is 34.

Adding to 313105383061 its reverse (160383501313), we get a palindrome (473488884374).

The spelling of 313105383061 in words is "three hundred thirteen billion, one hundred five million, three hundred eighty-three thousand, sixty-one".