31744049 has 6 divisors (see below), whose sum is σ = 33721494. Its totient is φ = 29876480.

The previous prime is 31744021. The next prime is 31744103. The reversal of 31744049 is 94044713.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 21298225 + 10445824 = 4615^2 + 3232^2 .

It is not a de Polignac number, because 31744049 - 2¹⁶ = 31678513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31744249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54632 + ... + 55209.

It is an arithmetic number, because the mean of its divisors is an integer number (5620249).

Almost surely, 2^31744049 is an apocalyptic number.

It is an amenable number.

31744049 is a deficient number, since it is larger than the sum of its proper divisors (1977445).

31744049 is a wasteful number, since it uses less digits than its factorization.

31744049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109875 (or 109858 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 31744049 is about 5634.1857441870. The cubic root of 31744049 is about 316.6314916916.

The spelling of 31744049 in words is "thirty-one million, seven hundred forty-four thousand, forty-nine".