31261424412244 has 36 divisors (see below), whose sum is σ = 59249627330880. Its totient is φ = 14425876876320.

The previous prime is 31261424412173. The next prime is 31261424412247. The reversal of 31261424412244 is 44221442416213.

It is a junction number, because it is equal to n+sod(n) for n = 31261424412197 and 31261424412206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31261424412247) 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 11 ways as a sum of consecutive naturals, for example, 12822 + ... + 7907149.

Almost surely, 2^{31261424412244} is an apocalyptic number.

It is an amenable number.

31261424412244 is a deficient number, since it is larger than the sum of its proper divisors (27988202918636).

31261424412244 is a wasteful number, since it uses less digits than its factorization.

31261424412244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7925840 (or 7925825 counting only the distinct ones).

The product of its digits is 294912, while the sum is 40.

Adding to 31261424412244 its reverse (44221442416213), we get a palindrome (75482866828457).

The spelling of 31261424412244 in words is "thirty-one trillion, two hundred sixty-one billion, four hundred twenty-four million, four hundred twelve thousand, two hundred forty-four".