31429046 has 8 divisors (see below), whose sum is σ = 51429384. Its totient is φ = 14285920.

The previous prime is 31429043. The next prime is 31429061. The reversal of 31429046 is 64092413.

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 (31429043) 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, 714275 + ... + 714318.

It is an arithmetic number, because the mean of its divisors is an integer number (6428673).

Almost surely, 2^31429046 is an apocalyptic number.

31429046 is a deficient number, since it is larger than the sum of its proper divisors (20000338).

31429046 is a wasteful number, since it uses less digits than its factorization.

31429046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428606.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 31429046 is about 5606.1614318533. The cubic root of 31429046 is about 315.5806741138.

The spelling of 31429046 in words is "thirty-one million, four hundred twenty-nine thousand, forty-six".