203122312441 has 2 divisors, whose sum is σ = 203122312442. Its totient is φ = 203122312440.

The previous prime is 203122312417. The next prime is 203122312451. The reversal of 203122312441 is 144213221302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202706152441 + 416160000 = 450229^2 + 20400^2 .

It is a cyclic number.

It is not a de Polignac number, because 203122312441 - 2¹¹ = 203122310393 is a prime.

It is a super-2 number, since 2×203122312441² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (203122312451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101561156220 + 101561156221.

It is an arithmetic number, because the mean of its divisors is an integer number (101561156221).

Almost surely, 2^203122312441 is an apocalyptic number.

It is an amenable number.

203122312441 is a deficient number, since it is larger than the sum of its proper divisors (1).

203122312441 is an equidigital number, since it uses as much as digits as its factorization.

203122312441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 203122312441 its reverse (144213221302), we get a palindrome (347335533743).

The spelling of 203122312441 in words is "two hundred three billion, one hundred twenty-two million, three hundred twelve thousand, four hundred forty-one".