313103520342505 has 8 divisors (see below), whose sum is σ = 377080629554952. Its totient is φ = 249578546178048.

The previous prime is 313103520342479. The next prime is 313103520342521. The reversal of 313103520342505 is 505243025301313.

It can be written as a sum of positive squares in 4 ways, for example, as 3903264046224 + 309200256296281 = 1975668^2 + 17584091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313103520342505 - 2¹⁹ = 313103519818217 is a prime.

It is a super-3 number, since 3×313103520342505³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113033760472 + ... + 113033763241.

It is an arithmetic number, because the mean of its divisors is an integer number (47135078694369).

Almost surely, 2^{313103520342505} is an apocalyptic number.

It is an amenable number.

313103520342505 is a deficient number, since it is larger than the sum of its proper divisors (63977109212447).

313103520342505 is a wasteful number, since it uses less digits than its factorization.

313103520342505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226067523995.

The product of its (nonzero) digits is 162000, while the sum is 37.

Adding to 313103520342505 its reverse (505243025301313), we get a palindrome (818346545643818).

The spelling of 313103520342505 in words is "three hundred thirteen trillion, one hundred three billion, five hundred twenty million, three hundred forty-two thousand, five hundred five".