101331309917939 has 2 divisors, whose sum is σ = 101331309917940. Its totient is φ = 101331309917938.

The previous prime is 101331309917921. The next prime is 101331309917983. The reversal of 101331309917939 is 939719903133101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101331309917939 - 2²⁰ = 101331308869363 is a prime.

It is not a weakly prime, because it can be changed into another prime (101331309917909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50665654958969 + 50665654958970.

It is an arithmetic number, because the mean of its divisors is an integer number (50665654958970).

Almost surely, 2^{101331309917939} is an apocalyptic number.

101331309917939 is a deficient number, since it is larger than the sum of its proper divisors (1).

101331309917939 is an equidigital number, since it uses as much as digits as its factorization.

101331309917939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3720087, while the sum is 59.

The spelling of 101331309917939 in words is "one hundred one trillion, three hundred thirty-one billion, three hundred nine million, nine hundred seventeen thousand, nine hundred thirty-nine".