201400332321 has 4 divisors (see below), whose sum is σ = 268533776432. Its totient is φ = 134266888212.

The previous prime is 201400332319. The next prime is 201400332359. The reversal of 201400332321 is 123233004102.

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 not a de Polignac number, because 201400332321 - 2¹ = 201400332319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201400332311) 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, 33566722051 + ... + 33566722056.

It is an arithmetic number, because the mean of its divisors is an integer number (67133444108).

Almost surely, 2^201400332321 is an apocalyptic number.

It is an amenable number.

201400332321 is a deficient number, since it is larger than the sum of its proper divisors (67133444111).

201400332321 is an equidigital number, since it uses as much as digits as its factorization.

201400332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67133444110.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 201400332321 its reverse (123233004102), we get a palindrome (324633336423).

The spelling of 201400332321 in words is "two hundred one billion, four hundred million, three hundred thirty-two thousand, three hundred twenty-one".