225136041331 has 2 divisors, whose sum is σ = 225136041332. Its totient is φ = 225136041330.

The previous prime is 225136041323. The next prime is 225136041391. The reversal of 225136041331 is 133140631522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225136041331 - 2³ = 225136041323 is a prime.

It is a super-2 number, since 2×225136041331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225136041293 and 225136041302.

It is not a weakly prime, because it can be changed into another prime (225136041391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112568020665 + 112568020666.

It is an arithmetic number, because the mean of its divisors is an integer number (112568020666).

Almost surely, 2^225136041331 is an apocalyptic number.

225136041331 is a deficient number, since it is larger than the sum of its proper divisors (1).

225136041331 is an equidigital number, since it uses as much as digits as its factorization.

225136041331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 225136041331 its reverse (133140631522), we get a palindrome (358276672853).

The spelling of 225136041331 in words is "two hundred twenty-five billion, one hundred thirty-six million, forty-one thousand, three hundred thirty-one".