31674471 has 4 divisors (see below), whose sum is σ = 42232632. Its totient is φ = 21116312.

The previous prime is 31674439. The next prime is 31674491. The reversal of 31674471 is 17447613.

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

It is a cyclic number.

It is not a de Polignac number, because 31674471 - 2⁵ = 31674439 is a prime.

It is a super-3 number, since 3×31674471³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31674421) 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 3 ways as a sum of consecutive naturals, for example, 5279076 + ... + 5279081.

It is an arithmetic number, because the mean of its divisors is an integer number (10558158).

Almost surely, 2^31674471 is an apocalyptic number.

31674471 is a deficient number, since it is larger than the sum of its proper divisors (10558161).

31674471 is a wasteful number, since it uses less digits than its factorization.

31674471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10558160.

The product of its digits is 14112, while the sum is 33.

The square root of 31674471 is about 5628.0077292058. The cubic root of 31674471 is about 316.3999868676.

The spelling of 31674471 in words is "thirty-one million, six hundred seventy-four thousand, four hundred seventy-one".