313155605 has 32 divisors (see below), whose sum is σ = 446807040. Its totient is φ = 206219520.

The previous prime is 313155599. The next prime is 313155607. The reversal of 313155605 is 506551313.

It is not a de Polignac number, because 313155605 - 2¹⁴ = 313139221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313155607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100775 + ... + 103835.

It is an arithmetic number, because the mean of its divisors is an integer number (13962720).

Almost surely, 2^313155605 is an apocalyptic number.

313155605 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

313155605 is a deficient number, since it is larger than the sum of its proper divisors (133651435).

313155605 is a wasteful number, since it uses less digits than its factorization.

313155605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 313155605 is about 17696.2031238342. The cubic root of 313155605 is about 679.0786288752.

The spelling of 313155605 in words is "three hundred thirteen million, one hundred fifty-five thousand, six hundred five".