313623971 has 4 divisors (see below), whose sum is σ = 313804632. Its totient is φ = 313443312.

The previous prime is 313623967. The next prime is 313624001. The reversal of 313623971 is 179326313.

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

It is a cyclic number.

It is not a de Polignac number, because 313623971 - 2² = 313623967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313623901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87701 + ... + 91206.

It is an arithmetic number, because the mean of its divisors is an integer number (78451158).

Almost surely, 2^313623971 is an apocalyptic number.

313623971 is a deficient number, since it is larger than the sum of its proper divisors (180661).

313623971 is a wasteful number, since it uses less digits than its factorization.

313623971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180660.

The product of its digits is 20412, while the sum is 35.

The square root of 313623971 is about 17709.4316961330. The cubic root of 313623971 is about 679.4170111383.

The spelling of 313623971 in words is "three hundred thirteen million, six hundred twenty-three thousand, nine hundred seventy-one".