31713485 has 8 divisors (see below), whose sum is σ = 38866176. Its totient is φ = 24830800.

The previous prime is 31713439. The next prime is 31713491. The reversal of 31713485 is 58431713.

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

It is not a de Polignac number, because 31713485 - 2¹² = 31709389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67241 + ... + 67710.

It is an arithmetic number, because the mean of its divisors is an integer number (4858272).

Almost surely, 2^31713485 is an apocalyptic number.

It is an amenable number.

31713485 is a deficient number, since it is larger than the sum of its proper divisors (7152691).

31713485 is a wasteful number, since it uses less digits than its factorization.

31713485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135003.

The product of its digits is 10080, while the sum is 32.

The square root of 31713485 is about 5631.4727203459. The cubic root of 31713485 is about 316.5298387015.

The spelling of 31713485 in words is "thirty-one million, seven hundred thirteen thousand, four hundred eighty-five".