321430313323442 has 16 divisors (see below), whose sum is σ = 482780494741632. Its totient is φ = 160503500684880.

The previous prime is 321430313323391. The next prime is 321430313323447. The reversal of 321430313323442 is 244323313034123.

It is a junction number, because it is equal to n+sod(n) for n = 321430313323396 and 321430313323405.

It is not an unprimeable number, because it can be changed into a prime (321430313323447) 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, 29294567 + ... + 38743157.

It is an arithmetic number, because the mean of its divisors is an integer number (30173780921352).

Almost surely, 2^{321430313323442} is an apocalyptic number.

321430313323442 is a deficient number, since it is larger than the sum of its proper divisors (161350181418190).

321430313323442 is a wasteful number, since it uses less digits than its factorization.

321430313323442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9470993.

The product of its (nonzero) digits is 373248, while the sum is 38.

Adding to 321430313323442 its reverse (244323313034123), we get a palindrome (565753626357565).

The spelling of 321430313323442 in words is "three hundred twenty-one trillion, four hundred thirty billion, three hundred thirteen million, three hundred twenty-three thousand, four hundred forty-two".