331429 has 8 divisors (see below), whose sum is σ = 383040. Its totient is φ = 280896.

The previous prime is 331423. The next prime is 331447. The reversal of 331429 is 924133.

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

It is not a de Polignac number, because 331429 - 2⁷ = 331301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331423) 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, 582 + ... + 1000.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2³³¹⁴²⁹ is an apocalyptic number.

It is an amenable number.

331429 is a deficient number, since it is larger than the sum of its proper divisors (51611).

331429 is a wasteful number, since it uses less digits than its factorization.

331429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its digits is 648, while the sum is 22.

The square root of 331429 is about 575.6987059218. The cubic root of 331429 is about 69.2038360888.

Subtracting 331429 from its reverse (924133), we obtain a cube (592704 = 84³).

The spelling of 331429 in words is "three hundred thirty-one thousand, four hundred twenty-nine".