311429 has 8 divisors (see below), whose sum is σ = 337440. Its totient is φ = 286416.

The previous prime is 311419. The next prime is 311447. The reversal of 311429 is 924113.

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

It is a cyclic number.

It is not a de Polignac number, because 311429 - 2⁸ = 311173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311429.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 311429.

It is not an unprimeable number, because it can be changed into a prime (311419) 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, 482 + ... + 924.

It is an arithmetic number, because the mean of its divisors is an integer number (42180).

2³¹¹⁴²⁹ is an apocalyptic number.

It is an amenable number.

311429 is a deficient number, since it is larger than the sum of its proper divisors (26011).

311429 is a wasteful number, since it uses less digits than its factorization.

311429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499.

The product of its digits is 216, while the sum is 20.

The square root of 311429 is about 558.0582406882. The cubic root of 311429 is about 67.7828279156.

The spelling of 311429 in words is "three hundred eleven thousand, four hundred twenty-nine".