320031444442 has 32 divisors (see below), whose sum is σ = 503780327424. Its totient is φ = 152277753600.

The previous prime is 320031444437. The next prime is 320031444457. The reversal of 320031444442 is 244444130023.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20804658 + ... + 20820034.

It is an arithmetic number, because the mean of its divisors is an integer number (15743135232).

Almost surely, 2^320031444442 is an apocalyptic number.

320031444442 is a deficient number, since it is larger than the sum of its proper divisors (183748882982).

320031444442 is a wasteful number, since it uses less digits than its factorization.

320031444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20974.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 320031444442 its reverse (244444130023), we get a palindrome (564475574465).

The spelling of 320031444442 in words is "three hundred twenty billion, thirty-one million, four hundred forty-four thousand, four hundred forty-two".