313755905 has 4 divisors (see below), whose sum is σ = 376507092. Its totient is φ = 251004720.

The previous prime is 313755881. The next prime is 313755947. The reversal of 313755905 is 509557313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 173001409 + 140754496 = 13153^2 + 11864^2 .

It is a de Polignac number, because none of the positive numbers 2^k-313755905 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 31375586 + ... + 31375595.

It is an arithmetic number, because the mean of its divisors is an integer number (94126773).

Almost surely, 2^313755905 is an apocalyptic number.

It is an amenable number.

313755905 is a deficient number, since it is larger than the sum of its proper divisors (62751187).

313755905 is an equidigital number, since it uses as much as digits as its factorization.

313755905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62751186.

The product of its (nonzero) digits is 70875, while the sum is 38.

The square root of 313755905 is about 17713.1562687173. The cubic root of 313755905 is about 679.5122692028.

The spelling of 313755905 in words is "three hundred thirteen million, seven hundred fifty-five thousand, nine hundred five".