101431024609 has 2 divisors, whose sum is σ = 101431024610. Its totient is φ = 101431024608.

The previous prime is 101431024579. The next prime is 101431024649. The reversal of 101431024609 is 906420134101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79652643984 + 21778380625 = 282228^2 + 147575^2 .

It is a cyclic number.

It is not a de Polignac number, because 101431024609 - 2²⁵ = 101397470177 is a prime.

It is not a weakly prime, because it can be changed into another prime (101431024649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50715512304 + 50715512305.

It is an arithmetic number, because the mean of its divisors is an integer number (50715512305).

Almost surely, 2^101431024609 is an apocalyptic number.

It is an amenable number.

101431024609 is a deficient number, since it is larger than the sum of its proper divisors (1).

101431024609 is an equidigital number, since it uses as much as digits as its factorization.

101431024609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 101431024609 in words is "one hundred one billion, four hundred thirty-one million, twenty-four thousand, six hundred nine".