31074317 has 4 divisors (see below), whose sum is σ = 32902236. Its totient is φ = 29246400.

The previous prime is 31074301. The next prime is 31074319. The reversal of 31074317 is 71347013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28153636 + 2920681 = 5306^2 + 1709^2 .

It is a cyclic number.

It is not a de Polignac number, because 31074317 - 2⁴ = 31074301 is a prime.

It is a super-2 number, since 2×31074317² = 1931226354032978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31074319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913934 + ... + 913967.

It is an arithmetic number, because the mean of its divisors is an integer number (8225559).

Almost surely, 2^31074317 is an apocalyptic number.

It is an amenable number.

31074317 is a deficient number, since it is larger than the sum of its proper divisors (1827919).

31074317 is a wasteful number, since it uses less digits than its factorization.

31074317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827918.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 31074317 is about 5574.4342313817. The cubic root of 31074317 is about 314.3888949983.

The spelling of 31074317 in words is "thirty-one million, seventy-four thousand, three hundred seventeen".