226531313287 has 2 divisors, whose sum is σ = 226531313288. Its totient is φ = 226531313286.

The previous prime is 226531313249. The next prime is 226531313291. The reversal of 226531313287 is 782313135622.

226531313287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226531313287 - 2¹¹ = 226531311239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226531313297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113265656643 + 113265656644.

It is an arithmetic number, because the mean of its divisors is an integer number (113265656644).

Almost surely, 2^226531313287 is an apocalyptic number.

226531313287 is a deficient number, since it is larger than the sum of its proper divisors (1).

226531313287 is an equidigital number, since it uses as much as digits as its factorization.

226531313287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The spelling of 226531313287 in words is "two hundred twenty-six billion, five hundred thirty-one million, three hundred thirteen thousand, two hundred eighty-seven".