313040447 has 4 divisors (see below), whose sum is σ = 329516280. Its totient is φ = 296564616.

The previous prime is 313040407. The next prime is 313040467. The reversal of 313040447 is 744040313.

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

It is not a de Polignac number, because 313040447 - 2⁶ = 313040383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313040407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8237888 + ... + 8237925.

It is an arithmetic number, because the mean of its divisors is an integer number (82379070).

Almost surely, 2^313040447 is an apocalyptic number.

313040447 is a deficient number, since it is larger than the sum of its proper divisors (16475833).

313040447 is a wasteful number, since it uses less digits than its factorization.

313040447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16475832.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 313040447 is about 17692.9490758324. The cubic root of 313040447 is about 678.9953785430.

The spelling of 313040447 in words is "three hundred thirteen million, forty thousand, four hundred forty-seven".