321214134133001 has 4 divisors (see below), whose sum is σ = 321214221025812. Its totient is φ = 321214047240192.

The previous prime is 321214134132979. The next prime is 321214134133037. The reversal of 321214134133001 is 100331431412123.

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 69521493582025 + 251692640550976 = 8337955^2 + 15864824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321214134133001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321214134133301) 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, 37643000 + ... + 45380873.

It is an arithmetic number, because the mean of its divisors is an integer number (80303555256453).

Almost surely, 2^{321214134133001} is an apocalyptic number.

It is an amenable number.

321214134133001 is a deficient number, since it is larger than the sum of its proper divisors (86892811).

321214134133001 is an equidigital number, since it uses as much as digits as its factorization.

321214134133001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86892810.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 321214134133001 its reverse (100331431412123), we get a palindrome (421545565545124).

The spelling of 321214134133001 in words is "three hundred twenty-one trillion, two hundred fourteen billion, one hundred thirty-four million, one hundred thirty-three thousand, one".