31330244442244 has 48 divisors (see below), whose sum is σ = 61747519389696. Its totient is φ = 13780336471200.

The previous prime is 31330244442209. The next prime is 31330244442251. The reversal of 31330244442244 is 44224444203313.

It is a super-2 number, since 2×31330244442244² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31330244442197 and 31330244442206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13502427 + ... + 15651709.

It is an arithmetic number, because the mean of its divisors is an integer number (1286406653952).

Almost surely, 2^{31330244442244} is an apocalyptic number.

It is an amenable number.

31330244442244 is a deficient number, since it is larger than the sum of its proper divisors (30417274947452).

31330244442244 is a wasteful number, since it uses less digits than its factorization.

31330244442244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160016 (or 2160014 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 40.

Adding to 31330244442244 its reverse (44224444203313), we get a palindrome (75554688645557).

The spelling of 31330244442244 in words is "thirty-one trillion, three hundred thirty billion, two hundred forty-four million, four hundred forty-two thousand, two hundred forty-four".