2203231231 has 4 divisors (see below), whose sum is σ = 2203362832. Its totient is φ = 2203099632.

The previous prime is 2203231201. The next prime is 2203231259. The reversal of 2203231231 is 1321323022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1321323022 = 2 ⋅660661511.

It is a cyclic number.

It is not a de Polignac number, because 2203231231 - 2³¹ = 55747583 is a prime.

It is a super-2 number, since 2×2203231231² = 9708455714507550722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2203231199 and 2203231208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203231201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36270 + ... + 75643.

It is an arithmetic number, because the mean of its divisors is an integer number (550840708).

Almost surely, 2^2203231231 is an apocalyptic number.

2203231231 is a deficient number, since it is larger than the sum of its proper divisors (131601).

2203231231 is a wasteful number, since it uses less digits than its factorization.

2203231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131600.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2203231231 is about 46938.5899979963. The cubic root of 2203231231 is about 1301.2278795197.

Adding to 2203231231 its reverse (1321323022), we get a palindrome (3524554253).

The spelling of 2203231231 in words is "two billion, two hundred three million, two hundred thirty-one thousand, two hundred thirty-one".