31683044 has 6 divisors (see below), whose sum is σ = 55445334. Its totient is φ = 15841520.

The previous prime is 31683017. The next prime is 31683049. The reversal of 31683044 is 44038613.

It can be written as a sum of positive squares in only one way, i.e., 29833444 + 1849600 = 5462^2 + 1360^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31682998 and 31683016.

It is not an unprimeable number, because it can be changed into a prime (31683049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3960377 + ... + 3960384.

It is an arithmetic number, because the mean of its divisors is an integer number (9240889).

Almost surely, 2^31683044 is an apocalyptic number.

It is an amenable number.

31683044 is a deficient number, since it is larger than the sum of its proper divisors (23762290).

31683044 is a wasteful number, since it uses less digits than its factorization.

31683044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920765 (or 7920763 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 31683044 is about 5628.7693148680. The cubic root of 31683044 is about 316.4285298584.

The spelling of 31683044 in words is "thirty-one million, six hundred eighty-three thousand, forty-four".