931442244139 has 4 divisors (see below), whose sum is σ = 1016118811800. Its totient is φ = 846765676480.

The previous prime is 931442244127. The next prime is 931442244151.

931442244139 is nontrivially palindromic in base 10.

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

It is an interprime number because it is at equal distance from previous prime (931442244127) and next prime (931442244151).

It is a cyclic number.

It is not a de Polignac number, because 931442244139 - 2²⁵ = 931408689707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (931442544139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42338283814 + ... + 42338283835.

It is an arithmetic number, because the mean of its divisors is an integer number (254029702950).

Almost surely, 2^931442244139 is an apocalyptic number.

931442244139 is a deficient number, since it is larger than the sum of its proper divisors (84676567661).

931442244139 is a wasteful number, since it uses less digits than its factorization.

931442244139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84676567660.

The product of its digits is 746496, while the sum is 46.

The spelling of 931442244139 in words is "nine hundred thirty-one billion, four hundred forty-two million, two hundred forty-four thousand, one hundred thirty-nine".