201320430154241 has 4 divisors (see below), whose sum is σ = 201320464892484. Its totient is φ = 201320395416000.

The previous prime is 201320430154169. The next prime is 201320430154243. The reversal of 201320430154241 is 142451034023102.

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 46839021961216 + 154481408193025 = 6843904^2 + 12429055^2 .

It is a cyclic number.

It is not a de Polignac number, because 201320430154241 - 2¹⁸ = 201320429892097 is a prime.

It is a super-2 number, since 2×201320430154241² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201320430154198 and 201320430154207.

It is not an unprimeable number, because it can be changed into a prime (201320430154243) 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, 6342860 + ... + 21044541.

It is an arithmetic number, because the mean of its divisors is an integer number (50330116223121).

Almost surely, 2^{201320430154241} is an apocalyptic number.

It is an amenable number.

201320430154241 is a deficient number, since it is larger than the sum of its proper divisors (34738243).

201320430154241 is an equidigital number, since it uses as much as digits as its factorization.

201320430154241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34738242.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 201320430154241 its reverse (142451034023102), we get a palindrome (343771464177343).

The spelling of 201320430154241 in words is "two hundred one trillion, three hundred twenty billion, four hundred thirty million, one hundred fifty-four thousand, two hundred forty-one".