321343062641 has 4 divisors (see below), whose sum is σ = 321408795300. Its totient is φ = 321277329984.

The previous prime is 321343062637. The next prime is 321343062653. The reversal of 321343062641 is 146260343123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 237052134400 + 84290928241 = 486880^2 + 290329^2 .

It is a cyclic number.

It is not a de Polignac number, because 321343062641 - 2² = 321343062637 is a prime.

It is a super-2 number, since 2×321343062641² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321343067641) 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, 32858996 + ... + 32868773.

It is an arithmetic number, because the mean of its divisors is an integer number (80352198825).

Almost surely, 2^321343062641 is an apocalyptic number.

It is an amenable number.

321343062641 is a deficient number, since it is larger than the sum of its proper divisors (65732659).

321343062641 is an equidigital number, since it uses as much as digits as its factorization.

321343062641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65732658.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 321343062641 in words is "three hundred twenty-one billion, three hundred forty-three million, sixty-two thousand, six hundred forty-one".