2231245231 has 2 divisors, whose sum is σ = 2231245232. Its totient is φ = 2231245230.

The previous prime is 2231245217. The next prime is 2231245267. The reversal of 2231245231 is 1325421322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231245231 - 2¹³ = 2231237039 is a prime.

It is a super-3 number, since 3×2231245231³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231245196 and 2231245205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231245201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115622615 + 1115622616.

It is an arithmetic number, because the mean of its divisors is an integer number (1115622616).

Almost surely, 2^2231245231 is an apocalyptic number.

2231245231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231245231 is an equidigital number, since it uses as much as digits as its factorization.

2231245231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 2231245231 is about 47236.0585887519. The cubic root of 2231245231 is about 1306.7196895639.

Adding to 2231245231 its reverse (1325421322), we get a palindrome (3556666553).

The spelling of 2231245231 in words is "two billion, two hundred thirty-one million, two hundred forty-five thousand, two hundred thirty-one".