120031013242139 has 4 divisors (see below), whose sum is σ = 120037845237240. Its totient is φ = 120024181247040.

The previous prime is 120031013242121. The next prime is 120031013242169. The reversal of 120031013242139 is 931242310130021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120031013242139 - 2²⁰ = 120031012193563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120031013242169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3415971197 + ... + 3416006334.

It is an arithmetic number, because the mean of its divisors is an integer number (30009461309310).

Almost surely, 2^{120031013242139} is an apocalyptic number.

120031013242139 is a deficient number, since it is larger than the sum of its proper divisors (6831995101).

120031013242139 is an equidigital number, since it uses as much as digits as its factorization.

120031013242139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6831995100.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 120031013242139 in words is "one hundred twenty trillion, thirty-one billion, thirteen million, two hundred forty-two thousand, one hundred thirty-nine".