1231113300247 has 2 divisors, whose sum is σ = 1231113300248. Its totient is φ = 1231113300246.

The previous prime is 1231113300203. The next prime is 1231113300269. The reversal of 1231113300247 is 7420033111321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1231113300247 - 2³¹ = 1228965816599 is a prime.

It is a super-2 number, since 2×1231113300247² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231113304247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615556650123 + 615556650124.

It is an arithmetic number, because the mean of its divisors is an integer number (615556650124).

Almost surely, 2^{1231113300247} is an apocalyptic number.

1231113300247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231113300247 is an equidigital number, since it uses as much as digits as its factorization.

1231113300247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 1231113300247 its reverse (7420033111321), we get a palindrome (8651146411568).

The spelling of 1231113300247 in words is "one trillion, two hundred thirty-one billion, one hundred thirteen million, three hundred thousand, two hundred forty-seven".