231012226 has 8 divisors (see below), whose sum is σ = 346913424. Its totient is φ = 115374420.

The previous prime is 231012169. The next prime is 231012233. The reversal of 231012226 is 622210132.

231012226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×231012226² = 106733297122950152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63640 + ... + 67171.

It is an arithmetic number, because the mean of its divisors is an integer number (43364178).

Almost surely, 2^231012226 is an apocalyptic number.

231012226 is a deficient number, since it is larger than the sum of its proper divisors (115901198).

231012226 is a wasteful number, since it uses less digits than its factorization.

231012226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131696.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 231012226 is about 15199.0863541201. The cubic root of 231012226 is about 613.5900686235.

Adding to 231012226 its reverse (622210132), we get a palindrome (853222358).

The spelling of 231012226 in words is "two hundred thirty-one million, twelve thousand, two hundred twenty-six".