321402133361 has 8 divisors (see below), whose sum is σ = 328267793664. Its totient is φ = 314537611360.

The previous prime is 321402133357. The next prime is 321402133369. The reversal of 321402133361 is 163331204123.

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

It is a cyclic number.

It is not a de Polignac number, because 321402133361 - 2² = 321402133357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321402133369) 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, 298796 + ... + 855618.

It is an arithmetic number, because the mean of its divisors is an integer number (41033474208).

Almost surely, 2^321402133361 is an apocalyptic number.

It is an amenable number.

321402133361 is a deficient number, since it is larger than the sum of its proper divisors (6865660303).

321402133361 is a wasteful number, since it uses less digits than its factorization.

321402133361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569151.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 321402133361 its reverse (163331204123), we get a palindrome (484733337484).

The spelling of 321402133361 in words is "three hundred twenty-one billion, four hundred two million, one hundred thirty-three thousand, three hundred sixty-one".