931222141222139 has 32 divisors (see below), whose sum is σ = 1084606039036800. Its totient is φ = 791761535465472.

The previous prime is 931222141222129. The next prime is 931222141222171.

931222141222139 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-931222141222139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 931222141222139.

It is not an unprimeable number, because it can be changed into a prime (931222141222129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95480039 + ... + 104780160.

It is an arithmetic number, because the mean of its divisors is an integer number (33893938719900).

Almost surely, 2^{931222141222139} is an apocalyptic number.

931222141222139 is a deficient number, since it is larger than the sum of its proper divisors (153383897814661).

931222141222139 is a wasteful number, since it uses less digits than its factorization.

931222141222139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200260679.

The product of its digits is 186624, while the sum is 44.

The spelling of 931222141222139 in words is "nine hundred thirty-one trillion, two hundred twenty-two billion, one hundred forty-one million, two hundred twenty-two thousand, one hundred thirty-nine".