203431231222 has 8 divisors (see below), whose sum is σ = 307476212472. Its totient is φ = 100939160400.

The previous prime is 203431231207. The next prime is 203431231249. The reversal of 203431231222 is 222132134302.

203431231222 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 2×203431231222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 388227279 + ... + 388227802.

It is an arithmetic number, because the mean of its divisors is an integer number (38434526559).

Almost surely, 2^203431231222 is an apocalyptic number.

203431231222 is a deficient number, since it is larger than the sum of its proper divisors (104044981250).

203431231222 is a wasteful number, since it uses less digits than its factorization.

203431231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776455214.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 203431231222 its reverse (222132134302), we get a palindrome (425563365524).

The spelling of 203431231222 in words is "two hundred three billion, four hundred thirty-one million, two hundred thirty-one thousand, two hundred twenty-two".