203122030323231 has 12 divisors (see below), whose sum is σ = 294789002409720. Its totient is φ = 134772911113680.

The previous prime is 203122030323161. The next prime is 203122030323281. The reversal of 203122030323231 is 132323030221302.

203122030323231 is a `hidden beast` number, since 2 + 0 + 3 + 12 + 20 + 303 + 2 + 323 + 1 = 666.

It is not a de Polignac number, because 203122030323231 - 2¹⁸ = 203122030061087 is a prime.

It is a super-2 number, since 2×203122030323231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203122030323195 and 203122030323204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203122030323281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53481312036 + ... + 53481315833.

It is an arithmetic number, because the mean of its divisors is an integer number (24565750200810).

Almost surely, 2^{203122030323231} is an apocalyptic number.

203122030323231 is a deficient number, since it is larger than the sum of its proper divisors (91666972086489).

203122030323231 is a wasteful number, since it uses less digits than its factorization.

203122030323231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106962628086 (or 106962628083 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 203122030323231 its reverse (132323030221302), we get a palindrome (335445060544533).

The spelling of 203122030323231 in words is "two hundred three trillion, one hundred twenty-two billion, thirty million, three hundred twenty-three thousand, two hundred thirty-one".