31429246 has 8 divisors (see below), whose sum is σ = 47223360. Its totient is φ = 15688128.

The previous prime is 31429207. The next prime is 31429253. The reversal of 31429246 is 64292413.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11731 + ... + 14158.

It is an arithmetic number, because the mean of its divisors is an integer number (5902920).

Almost surely, 2^31429246 is an apocalyptic number.

31429246 is a deficient number, since it is larger than the sum of its proper divisors (15794114).

31429246 is a wasteful number, since it uses less digits than its factorization.

31429246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26498.

The product of its digits is 10368, while the sum is 31.

The square root of 31429246 is about 5606.1792693420. The cubic root of 31429246 is about 315.5813435158.

The spelling of 31429246 in words is "thirty-one million, four hundred twenty-nine thousand, two hundred forty-six".