313444442 has 8 divisors (see below), whose sum is σ = 475014036. Its totient is φ = 155106432.

The previous prime is 313444399. The next prime is 313444447. The reversal of 313444442 is 244444313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 288354361 + 25090081 = 16981^2 + 5009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (313444447) 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, 807653 + ... + 808040.

Almost surely, 2^313444442 is an apocalyptic number.

313444442 is a deficient number, since it is larger than the sum of its proper divisors (161569594).

313444442 is a wasteful number, since it uses less digits than its factorization.

313444442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615792.

The product of its digits is 18432, while the sum is 29.

The square root of 313444442 is about 17704.3622308176. The cubic root of 313444442 is about 679.2873459453.

Adding to 313444442 its reverse (244444313), we get a palindrome (557888755).

The spelling of 313444442 in words is "three hundred thirteen million, four hundred forty-four thousand, four hundred forty-two".