203322220231 has 8 divisors (see below), whose sum is σ = 218966245904. Its totient is φ = 187678745280.

The previous prime is 203322220229. The next prime is 203322220249. The reversal of 203322220231 is 132022223302.

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

It is not a de Polignac number, because 203322220231 - 2¹ = 203322220229 is a prime.

It is a super-2 number, since 2×203322220231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203322220531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943771 + ... + 1139011.

It is an arithmetic number, because the mean of its divisors is an integer number (27370780738).

Almost surely, 2^203322220231 is an apocalyptic number.

203322220231 is a deficient number, since it is larger than the sum of its proper divisors (15644025673).

203322220231 is a wasteful number, since it uses less digits than its factorization.

203322220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275361.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 203322220231 its reverse (132022223302), we get a palindrome (335344443533).

The spelling of 203322220231 in words is "two hundred three billion, three hundred twenty-two million, two hundred twenty thousand, two hundred thirty-one".