31366044 has 36 divisors (see below), whose sum is σ = 79457560. Its totient is φ = 10432800.

The previous prime is 31366039. The next prime is 31366051. The reversal of 31366044 is 44066313.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 31365999 and 31366017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29319 + ... + 30369.

Almost surely, 2^31366044 is an apocalyptic number.

It is an amenable number.

31366044 is an abundant number, since it is smaller than the sum of its proper divisors (48091516).

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

31366044 is a wasteful number, since it uses less digits than its factorization.

31366044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 1885 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 31366044 is about 5600.5396168584. The cubic root of 31366044 is about 315.3696642770.

It can be divided in two parts, 3136 and 6044, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 31366044 in words is "thirty-one million, three hundred sixty-six thousand, forty-four".