2203131231 has 40 divisors (see below), whose sum is σ = 3785364000. Its totient is φ = 1250862912.

The previous prime is 2203131197. The next prime is 2203131241. The reversal of 2203131231 is 1321313022.

2203131231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2203131231 - 2¹⁷ = 2203000159 is a prime.

It is a super-2 number, since 2×2203131231² = 9707574442015150722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203131241) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 76645 + ... + 101393.

It is an arithmetic number, because the mean of its divisors is an integer number (94634100).

Almost surely, 2^2203131231 is an apocalyptic number.

2203131231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2203131231 is a deficient number, since it is larger than the sum of its proper divisors (1582232769).

2203131231 is a wasteful number, since it uses less digits than its factorization.

2203131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24925 (or 24916 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2203131231 is about 46937.5247643077. The cubic root of 2203131231 is about 1301.2081925626.

Adding to 2203131231 its reverse (1321313022), we get a palindrome (3524444253).

The spelling of 2203131231 in words is "two billion, two hundred three million, one hundred thirty-one thousand, two hundred thirty-one".