321003243112442 has 8 divisors (see below), whose sum is σ = 525278034184032. Its totient is φ = 145910565051100.

The previous prime is 321003243112441. The next prime is 321003243112451. The reversal of 321003243112442 is 244211342300123.

It is a happy number.

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

It is a super-2 number, since 2×321003243112442² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321003243112399 and 321003243112408.

It is not an unprimeable number, because it can be changed into a prime (321003243112441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7295528252534 + ... + 7295528252577.

It is an arithmetic number, because the mean of its divisors is an integer number (65659754273004).

Almost surely, 2^{321003243112442} is an apocalyptic number.

321003243112442 is a deficient number, since it is larger than the sum of its proper divisors (204274791071590).

321003243112442 is a wasteful number, since it uses less digits than its factorization.

321003243112442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14591056505124.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 321003243112442 its reverse (244211342300123), we get a palindrome (565214585412565).

The spelling of 321003243112442 in words is "three hundred twenty-one trillion, three billion, two hundred forty-three million, one hundred twelve thousand, four hundred forty-two".