31727342 has 8 divisors (see below), whose sum is σ = 48081936. Its totient is φ = 15700032.

The previous prime is 31727329. The next prime is 31727347. The reversal of 31727342 is 24372713.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31727347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81578 + ... + 81965.

It is an arithmetic number, because the mean of its divisors is an integer number (6010242).

Almost surely, 2^31727342 is an apocalyptic number.

31727342 is a deficient number, since it is larger than the sum of its proper divisors (16354594).

31727342 is a wasteful number, since it uses less digits than its factorization.

31727342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163642.

The product of its digits is 7056, while the sum is 29.

The square root of 31727342 is about 5632.7029035801. The cubic root of 31727342 is about 316.5759338699.

The spelling of 31727342 in words is "thirty-one million, seven hundred twenty-seven thousand, three hundred forty-two".