101210311247 has 2 divisors, whose sum is σ = 101210311248. Its totient is φ = 101210311246.

The previous prime is 101210311217. The next prime is 101210311283. The reversal of 101210311247 is 742113012101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101210311247 - 2⁸ = 101210310991 is a prime.

It is a super-2 number, since 2×101210311247² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101210311217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605155623 + 50605155624.

It is an arithmetic number, because the mean of its divisors is an integer number (50605155624).

Almost surely, 2^101210311247 is an apocalyptic number.

101210311247 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210311247 is an equidigital number, since it uses as much as digits as its factorization.

101210311247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 101210311247 its reverse (742113012101), we get a palindrome (843323323348).

The spelling of 101210311247 in words is "one hundred one billion, two hundred ten million, three hundred eleven thousand, two hundred forty-seven".