105247020001031 has 2 divisors, whose sum is σ = 105247020001032. Its totient is φ = 105247020001030.

The previous prime is 105247020000977. The next prime is 105247020001033. The reversal of 105247020001031 is 130100020742501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105247020001031 - 2²² = 105247015806727 is a prime.

It is a super-2 number, since 2×105247020001031² (a number of 29 digits) contains 22 as substring.

Together with 105247020001033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105247020001033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52623510000515 + 52623510000516.

It is an arithmetic number, because the mean of its divisors is an integer number (52623510000516).

Almost surely, 2^{105247020001031} is an apocalyptic number.

105247020001031 is a deficient number, since it is larger than the sum of its proper divisors (1).

105247020001031 is an equidigital number, since it uses as much as digits as its factorization.

105247020001031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 105247020001031 its reverse (130100020742501), we get a palindrome (235347040743532).

The spelling of 105247020001031 in words is "one hundred five trillion, two hundred forty-seven billion, twenty million, one thousand, thirty-one".