2210243231 has 4 divisors (see below), whose sum is σ = 2525992272. Its totient is φ = 1894494192.

The previous prime is 2210243201. The next prime is 2210243251. The reversal of 2210243231 is 1323420122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1323420122 = 2 ⋅661710061.

It is a cyclic number.

It is not a de Polignac number, because 2210243231 - 2¹⁰ = 2210242207 is a prime.

It is a super-2 number, since 2×2210243231² = 9770350280362638722, which 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 (2210243201) 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, 157874510 + ... + 157874523.

It is an arithmetic number, because the mean of its divisors is an integer number (631498068).

Almost surely, 2^2210243231 is an apocalyptic number.

2210243231 is a deficient number, since it is larger than the sum of its proper divisors (315749041).

2210243231 is an equidigital number, since it uses as much as digits as its factorization.

2210243231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315749040.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2210243231 is about 47013.2240013382. The cubic root of 2210243231 is about 1302.6068462053.

Adding to 2210243231 its reverse (1323420122), we get a palindrome (3533663353).

The spelling of 2210243231 in words is "two billion, two hundred ten million, two hundred forty-three thousand, two hundred thirty-one".