202144341291 has 4 divisors (see below), whose sum is σ = 269525788392. Its totient is φ = 134762894192.

The previous prime is 202144341281. The next prime is 202144341331. The reversal of 202144341291 is 192143441202.

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

It is a cyclic number.

It is not a de Polignac number, because 202144341291 - 2²² = 202140146987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202144341241) 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, 33690723546 + ... + 33690723551.

It is an arithmetic number, because the mean of its divisors is an integer number (67381447098).

Almost surely, 2^202144341291 is an apocalyptic number.

202144341291 is a deficient number, since it is larger than the sum of its proper divisors (67381447101).

202144341291 is an equidigital number, since it uses as much as digits as its factorization.

202144341291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67381447100.

The product of its (nonzero) digits is 13824, while the sum is 33.

Adding to 202144341291 its reverse (192143441202), we get a palindrome (394287782493).

The spelling of 202144341291 in words is "two hundred two billion, one hundred forty-four million, three hundred forty-one thousand, two hundred ninety-one".