320431352142 has 16 divisors (see below), whose sum is σ = 699122950272. Its totient is φ = 97100409720.

The previous prime is 320431352117. The next prime is 320431352167. The reversal of 320431352142 is 241253134023.

It is an interprime number because it is at equal distance from previous prime (320431352117) and next prime (320431352167).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2427510178 + ... + 2427510309.

It is an arithmetic number, because the mean of its divisors is an integer number (43695184392).

Almost surely, 2^320431352142 is an apocalyptic number.

320431352142 is an abundant number, since it is smaller than the sum of its proper divisors (378691598130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320431352142 is a wasteful number, since it uses less digits than its factorization.

320431352142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855020503.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 320431352142 its reverse (241253134023), we get a palindrome (561684486165).

The spelling of 320431352142 in words is "three hundred twenty billion, four hundred thirty-one million, three hundred fifty-two thousand, one hundred forty-two".