313661120255 has 16 divisors (see below), whose sum is σ = 430193424384. Its totient is φ = 215067109920.

The previous prime is 313661120237. The next prime is 313661120281. The reversal of 313661120255 is 552021166313.

It is not a de Polignac number, because 313661120255 - 2⁶ = 313661120191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220274 + ... + 822096.

It is an arithmetic number, because the mean of its divisors is an integer number (26887089024).

Almost surely, 2^313661120255 is an apocalyptic number.

313661120255 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

313661120255 is a deficient number, since it is larger than the sum of its proper divisors (116532304129).

313661120255 is a wasteful number, since it uses less digits than its factorization.

313661120255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616726.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 313661120255 its reverse (552021166313), we get a palindrome (865682286568).

The spelling of 313661120255 in words is "three hundred thirteen billion, six hundred sixty-one million, one hundred twenty thousand, two hundred fifty-five".