313144447 has 48 divisors (see below), whose sum is σ = 415324800. Its totient is φ = 233271360.

The previous prime is 313144427. The next prime is 313144483. The reversal of 313144447 is 744441313.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-313144447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313144417) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1367329 + ... + 1367557.

It is an arithmetic number, because the mean of its divisors is an integer number (8652600).

Almost surely, 2^313144447 is an apocalyptic number.

313144447 is a deficient number, since it is larger than the sum of its proper divisors (102180353).

313144447 is a wasteful number, since it uses less digits than its factorization.

313144447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 349 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 313144447 is about 17695.8878556573. The cubic root of 313144447 is about 679.0705633968.

The spelling of 313144447 in words is "three hundred thirteen million, one hundred forty-four thousand, four hundred forty-seven".