226310143261 has 4 divisors (see below), whose sum is σ = 226716445692. Its totient is φ = 225903840832.

The previous prime is 226310143243. The next prime is 226310143337. The reversal of 226310143261 is 162341013622.

226310143261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 162341013622 = 2 ⋅81170506811.

It can be written as a sum of positive squares in 2 ways, for example, as 50577311236 + 175732832025 = 224894^2 + 419205^2 .

It is a cyclic number.

It is not a de Polignac number, because 226310143261 - 2⁵ = 226310143229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226310143561) 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 in 3 ways as a sum of consecutive naturals, for example, 203150380 + ... + 203151493.

It is an arithmetic number, because the mean of its divisors is an integer number (56679111423).

Almost surely, 2^226310143261 is an apocalyptic number.

It is an amenable number.

226310143261 is a deficient number, since it is larger than the sum of its proper divisors (406302431).

226310143261 is an equidigital number, since it uses as much as digits as its factorization.

226310143261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406302430.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 226310143261 its reverse (162341013622), we get a palindrome (388651156883).

The spelling of 226310143261 in words is "two hundred twenty-six billion, three hundred ten million, one hundred forty-three thousand, two hundred sixty-one".