321031542342 has 16 divisors (see below), whose sum is σ = 733786382592. Its totient is φ = 91723297800.

The previous prime is 321031542329. The next prime is 321031542343. The reversal of 321031542342 is 243245130123.

It is a super-2 number, since 2×321031542342² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321031542343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3821804034 + ... + 3821804117.

It is an arithmetic number, because the mean of its divisors is an integer number (45861648912).

Almost surely, 2^321031542342 is an apocalyptic number.

321031542342 is an abundant number, since it is smaller than the sum of its proper divisors (412754840250).

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

321031542342 is a wasteful number, since it uses less digits than its factorization.

321031542342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7643608163.

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

Adding to 321031542342 its reverse (243245130123), we get a palindrome (564276672465).

The spelling of 321031542342 in words is "three hundred twenty-one billion, thirty-one million, five hundred forty-two thousand, three hundred forty-two".