2331231247 has 2 divisors, whose sum is σ = 2331231248. Its totient is φ = 2331231246.

The previous prime is 2331231229. The next prime is 2331231257. The reversal of 2331231247 is 7421321332.

2331231247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2331231247 - 2¹⁵ = 2331198479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331231257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165615623 + 1165615624.

It is an arithmetic number, because the mean of its divisors is an integer number (1165615624).

Almost surely, 2^2331231247 is an apocalyptic number.

2331231247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331231247 is an equidigital number, since it uses as much as digits as its factorization.

2331231247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 28.

The square root of 2331231247 is about 48282.8255904726. The cubic root of 2331231247 is about 1325.9539819262.

Adding to 2331231247 its reverse (7421321332), we get a palindrome (9752552579).

The spelling of 2331231247 in words is "two billion, three hundred thirty-one million, two hundred thirty-one thousand, two hundred forty-seven".