320312322142 has 8 divisors (see below), whose sum is σ = 492187226832. Its totient is φ = 156249913200.

The previous prime is 320312322089. The next prime is 320312322157. The reversal of 320312322142 is 241223213023.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1953123834 + ... + 1953123997.

It is an arithmetic number, because the mean of its divisors is an integer number (61523403354).

Almost surely, 2^320312322142 is an apocalyptic number.

320312322142 is a deficient number, since it is larger than the sum of its proper divisors (171874904690).

320312322142 is a wasteful number, since it uses less digits than its factorization.

320312322142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906247874.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 320312322142 its reverse (241223213023), we get a palindrome (561535535165).

The spelling of 320312322142 in words is "three hundred twenty billion, three hundred twelve million, three hundred twenty-two thousand, one hundred forty-two".