321213410133402 has 16 divisors (see below), whose sum is σ = 642428102122560. Its totient is φ = 107070923068512.

The previous prime is 321213410133401. The next prime is 321213410133439. The reversal of 321213410133402 is 204331014312123.

It is a self number, because there is not a number n which added to its sum of digits gives 321213410133402.

It is not an unprimeable number, because it can be changed into a prime (321213410133401) 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, 50137627 + ... + 56180142.

It is an arithmetic number, because the mean of its divisors is an integer number (40151756382660).

Almost surely, 2^{321213410133402} is an apocalyptic number.

321213410133402 is an abundant number, since it is smaller than the sum of its proper divisors (321214691989158).

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

321213410133402 is a wasteful number, since it uses less digits than its factorization.

321213410133402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106821317.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 321213410133402 its reverse (204331014312123), we get a palindrome (525544424445525).

The spelling of 321213410133402 in words is "three hundred twenty-one trillion, two hundred thirteen billion, four hundred ten million, one hundred thirty-three thousand, four hundred two".