31333413221444 has 48 divisors (see below), whose sum is σ = 55905430488768. Its totient is φ = 15363256424448.

The previous prime is 31333413221437. The next prime is 31333413221459. The reversal of 31333413221444 is 44412231433313.

It is a junction number, because it is equal to n+sod(n) for n = 31333413221398 and 31333413221407.

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, 470134787 + ... + 470201429.

It is an arithmetic number, because the mean of its divisors is an integer number (1164696468516).

Almost surely, 2^{31333413221444} is an apocalyptic number.

It is an amenable number.

31333413221444 is a deficient number, since it is larger than the sum of its proper divisors (24572017267324).

31333413221444 is a wasteful number, since it uses less digits than its factorization.

31333413221444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77204 (or 77202 counting only the distinct ones).

The product of its digits is 248832, while the sum is 38.

Adding to 31333413221444 its reverse (44412231433313), we get a palindrome (75745644654757).

The spelling of 31333413221444 in words is "thirty-one trillion, three hundred thirty-three billion, four hundred thirteen million, two hundred twenty-one thousand, four hundred forty-four".