31027349 has 8 divisors (see below), whose sum is σ = 32103768. Its totient is φ = 29963520.

The previous prime is 31027343. The next prime is 31027351. The reversal of 31027349 is 94372013.

It can be written as a sum of positive squares in 4 ways, for example, as 5726449 + 25300900 = 2393^2 + 5030^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31027349 - 2⁸ = 31027093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31027343) 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 7 ways as a sum of consecutive naturals, for example, 2009 + ... + 8129.

It is an arithmetic number, because the mean of its divisors is an integer number (4012971).

Almost surely, 2^31027349 is an apocalyptic number.

It is an amenable number.

31027349 is a deficient number, since it is larger than the sum of its proper divisors (1076419).

31027349 is a wasteful number, since it uses less digits than its factorization.

31027349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6295.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 31027349 is about 5570.2198340820. The cubic root of 31027349 is about 314.2304183217.

The spelling of 31027349 in words is "thirty-one million, twenty-seven thousand, three hundred forty-nine".