203122344231 has 12 divisors (see below), whose sum is σ = 295509727240. Its totient is φ = 134440687440.

The previous prime is 203122344211. The next prime is 203122344251. The reversal of 203122344231 is 132443221302.

203122344231 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 2 + 234 + 423 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (203122344211) and next prime (203122344251).

It is not a de Polignac number, because 203122344231 - 2⁹ = 203122343719 is a prime.

It is a super-2 number, since 2×203122344231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203122344195 and 203122344204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203122344211) 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, 81182740 + ... + 81185241.

Almost surely, 2^203122344231 is an apocalyptic number.

203122344231 is a deficient number, since it is larger than the sum of its proper divisors (92387383009).

203122344231 is a wasteful number, since it uses less digits than its factorization.

203122344231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162368126 (or 162368123 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 203122344231 its reverse (132443221302), we get a palindrome (335565565533).

The spelling of 203122344231 in words is "two hundred three billion, one hundred twenty-two million, three hundred forty-four thousand, two hundred thirty-one".