31033620446444 has 96 divisors (see below), whose sum is σ = 67828042953216. Its totient is φ = 12069899527680.

The previous prime is 31033620446443. The next prime is 31033620446459. The reversal of 31033620446444 is 44464402633013.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 31033620446395 and 31033620446404.

It is not an unprimeable number, because it can be changed into a prime (31033620446443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1118838944 + ... + 1118866680.

It is an arithmetic number, because the mean of its divisors is an integer number (706542114096).

Almost surely, 2^{31033620446444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31033620446444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33914021476608).

31033620446444 is an abundant number, since it is smaller than the sum of its proper divisors (36794422506772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31033620446444 is a wasteful number, since it uses less digits than its factorization.

31033620446444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33975 (or 33973 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 44.

The spelling of 31033620446444 in words is "thirty-one trillion, thirty-three billion, six hundred twenty million, four hundred forty-six thousand, four hundred forty-four".