313224142 has 32 divisors (see below), whose sum is σ = 595390464. Its totient is φ = 120031200.

The previous prime is 313224113. The next prime is 313224151. The reversal of 313224142 is 241422313.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7278 + ... + 26065.

It is an arithmetic number, because the mean of its divisors is an integer number (18605952).

Almost surely, 2^313224142 is an apocalyptic number.

313224142 is a deficient number, since it is larger than the sum of its proper divisors (282166322).

313224142 is a wasteful number, since it uses less digits than its factorization.

313224142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33424.

The product of its digits is 1152, while the sum is 22.

The square root of 313224142 is about 17698.1395067391. The cubic root of 313224142 is about 679.1281661407.

Adding to 313224142 its reverse (241422313), we get a palindrome (554646455).

The spelling of 313224142 in words is "three hundred thirteen million, two hundred twenty-four thousand, one hundred forty-two".