31679417 has 8 divisors (see below), whose sum is σ = 39496512. Its totient is φ = 24685200.

The previous prime is 31679413. The next prime is 31679423. The reversal of 31679417 is 71497613.

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 31679417 - 2² = 31679413 is a prime.

It is a super-2 number, since 2×31679417² = 2007170922919778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31679413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205634 + ... + 205787.

It is an arithmetic number, because the mean of its divisors is an integer number (4937064).

Almost surely, 2^31679417 is an apocalyptic number.

It is an amenable number.

31679417 is a deficient number, since it is larger than the sum of its proper divisors (7817095).

31679417 is a wasteful number, since it uses less digits than its factorization.

31679417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411439.

The product of its digits is 31752, while the sum is 38.

The square root of 31679417 is about 5628.4471215425. The cubic root of 31679417 is about 316.4164547342.

The spelling of 31679417 in words is "thirty-one million, six hundred seventy-nine thousand, four hundred seventeen".