320323513111142 has 16 divisors (see below), whose sum is σ = 486455898447792. Its totient is φ = 158172988625760.

The previous prime is 320323513111051. The next prime is 320323513111157. The reversal of 320323513111142 is 241111315323023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 320323513111099 and 320323513111108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359970209 + ... + 360858972.

It is an arithmetic number, because the mean of its divisors is an integer number (30403493652987).

Almost surely, 2^{320323513111142} is an apocalyptic number.

320323513111142 is a deficient number, since it is larger than the sum of its proper divisors (166132385336650).

320323513111142 is a wasteful number, since it uses less digits than its factorization.

320323513111142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720831943.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 320323513111142 its reverse (241111315323023), we get a palindrome (561434828434165).

The spelling of 320323513111142 in words is "three hundred twenty trillion, three hundred twenty-three billion, five hundred thirteen million, one hundred eleven thousand, one hundred forty-two".