31944344 has 8 divisors (see below), whose sum is σ = 59895660. Its totient is φ = 15972168.

The previous prime is 31944323. The next prime is 31944347. The reversal of 31944344 is 44344913.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×31944344² = 2040882227180672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31944344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31944347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996514 + ... + 1996529.

Almost surely, 2^31944344 is an apocalyptic number.

It is an amenable number.

31944344 is a deficient number, since it is larger than the sum of its proper divisors (27951316).

31944344 is a wasteful number, since it uses less digits than its factorization.

31944344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993049 (or 3993045 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 31944344 is about 5651.9327667622. The cubic root of 31944344 is about 317.2960444301.

The spelling of 31944344 in words is "thirty-one million, nine hundred forty-four thousand, three hundred forty-four".