31944601 has 12 divisors (see below), whose sum is σ = 35561316. Its totient is φ = 28524960.

The previous prime is 31944599. The next prime is 31944611. The reversal of 31944601 is 10644913.

It can be written as a sum of positive squares in 2 ways, for example, as 8856576 + 23088025 = 2976^2 + 4805^2 .

It is not a de Polignac number, because 31944601 - 2¹ = 31944599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31944601.

It is not an unprimeable number, because it can be changed into a prime (31944611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11215 + ... + 13771.

It is an arithmetic number, because the mean of its divisors is an integer number (2963443).

Almost surely, 2^31944601 is an apocalyptic number.

31944601 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31944601 is a deficient number, since it is larger than the sum of its proper divisors (3616715).

31944601 is a wasteful number, since it uses less digits than its factorization.

31944601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632 (or 2601 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 31944601 is about 5651.9555023018. The cubic root of 31944601 is about 317.2968953358.

The spelling of 31944601 in words is "thirty-one million, nine hundred forty-four thousand, six hundred one".