321320105622253 has 16 divisors (see below), whose sum is σ = 322004797861824. Its totient is φ = 320636297076480.

The previous prime is 321320105622211. The next prime is 321320105622277. The reversal of 321320105622253 is 352226501023123.

It is a cyclic number.

It is not a de Polignac number, because 321320105622253 - 2¹³ = 321320105614061 is a prime.

It is a super-2 number, since 2×321320105622253² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321320105622293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3750760926 + ... + 3750846592.

It is an arithmetic number, because the mean of its divisors is an integer number (20125299866364).

Almost surely, 2^{321320105622253} is an apocalyptic number.

It is an amenable number.

321320105622253 is a deficient number, since it is larger than the sum of its proper divisors (684692239571).

321320105622253 is a wasteful number, since it uses less digits than its factorization.

321320105622253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90732.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 321320105622253 its reverse (352226501023123), we get a palindrome (673546606645376).

The spelling of 321320105622253 in words is "three hundred twenty-one trillion, three hundred twenty billion, one hundred five million, six hundred twenty-two thousand, two hundred fifty-three".