31205422041244 has 24 divisors (see below), whose sum is σ = 60698025038448. Its totient is φ = 13916654768640.

The previous prime is 31205422041239. The next prime is 31205422041289. The reversal of 31205422041244 is 44214022450213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6690697077 + ... + 6690701740.

It is an arithmetic number, because the mean of its divisors is an integer number (2529084376602).

Almost surely, 2^{31205422041244} is an apocalyptic number.

It is an amenable number.

31205422041244 is a deficient number, since it is larger than the sum of its proper divisors (29492602997204).

31205422041244 is a wasteful number, since it uses less digits than its factorization.

31205422041244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13381398885 (or 13381398883 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 31205422041244 its reverse (44214022450213), we get a palindrome (75419444491457).

The spelling of 31205422041244 in words is "thirty-one trillion, two hundred five billion, four hundred twenty-two million, forty-one thousand, two hundred forty-four".