321352223401 has 4 divisors (see below), whose sum is σ = 350566061904. Its totient is φ = 292138384900.

The previous prime is 321352223299. The next prime is 321352223407. The reversal of 321352223401 is 104322253123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321352223401 - 2⁷ = 321352223273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321352223401.

It is not an unprimeable number, because it can be changed into a prime (321352223407) 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, 14606919235 + ... + 14606919256.

It is an arithmetic number, because the mean of its divisors is an integer number (87641515476).

Almost surely, 2^321352223401 is an apocalyptic number.

It is an amenable number.

321352223401 is a deficient number, since it is larger than the sum of its proper divisors (29213838503).

321352223401 is a wasteful number, since it uses less digits than its factorization.

321352223401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29213838502.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 321352223401 its reverse (104322253123), we get a palindrome (425674476524).

The spelling of 321352223401 in words is "three hundred twenty-one billion, three hundred fifty-two million, two hundred twenty-three thousand, four hundred one".