31740841 has 6 divisors (see below), whose sum is σ = 34888826. Its totient is φ = 28855200.

The previous prime is 31740833. The next prime is 31740859. The reversal of 31740841 is 14804713.

It can be written as a sum of positive squares in only one way, i.e., 30250000 + 1490841 = 5500^2 + 1221^2 .

It is not a de Polignac number, because 31740841 - 2³ = 31740833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31741841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131040 + ... + 131281.

Almost surely, 2^31740841 is an apocalyptic number.

It is an amenable number.

31740841 is a deficient number, since it is larger than the sum of its proper divisors (3147985).

31740841 is a wasteful number, since it uses less digits than its factorization.

31740841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262343 (or 262332 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 31740841 is about 5633.9010463444. The cubic root of 31740841 is about 316.6208252509.

The spelling of 31740841 in words is "thirty-one million, seven hundred forty thousand, eight hundred forty-one".