2312331247 has 2 divisors, whose sum is σ = 2312331248. Its totient is φ = 2312331246.

The previous prime is 2312331227. The next prime is 2312331277. The reversal of 2312331247 is 7421332132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312331247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312331227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156165623 + 1156165624.

It is an arithmetic number, because the mean of its divisors is an integer number (1156165624).

Almost surely, 2^2312331247 is an apocalyptic number.

2312331247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312331247 is an equidigital number, since it uses as much as digits as its factorization.

2312331247 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2312331247 is about 48086.7055120228. The cubic root of 2312331247 is about 1322.3609505001.

Adding to 2312331247 its reverse (7421332132), we get a palindrome (9733663379).

The spelling of 2312331247 in words is "two billion, three hundred twelve million, three hundred thirty-one thousand, two hundred forty-seven".