320031412 has 12 divisors (see below), whose sum is σ = 565193860. Its totient is φ = 158547456.

The previous prime is 320031401. The next prime is 320031419. The reversal of 320031412 is 214130023.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 201526416 + 118504996 = 14196^2 + 10886^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320031419) 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, 366573 + ... + 367444.

Almost surely, 2^320031412 is an apocalyptic number.

It is an amenable number.

320031412 is a deficient number, since it is larger than the sum of its proper divisors (245162448).

320031412 is a wasteful number, since it uses less digits than its factorization.

320031412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734130 (or 734128 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 320031412 is about 17889.4217905443. The cubic root of 320031412 is about 684.0127586736.

Adding to 320031412 its reverse (214130023), we get a palindrome (534161435).

The spelling of 320031412 in words is "three hundred twenty million, thirty-one thousand, four hundred twelve".