631029 has 16 divisors (see below), whose sum is σ = 972800. Its totient is φ = 356400.

The previous prime is 631013. The next prime is 631039. The reversal of 631029 is 920136.

631029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 631029 - 2⁴ = 631013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630996 and 631014.

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 631029.

It is not an unprimeable number, because it can be changed into a prime (631039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3072 + ... + 3270.

It is an arithmetic number, because the mean of its divisors is an integer number (60800).

2⁶³¹⁰²⁹ is an apocalyptic number.

It is an amenable number.

631029 is a deficient number, since it is larger than the sum of its proper divisors (341771).

631029 is a wasteful number, since it uses less digits than its factorization.

631029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 631029 is about 794.3733379212. The cubic root of 631029 is about 85.7728365825.

The spelling of 631029 in words is "six hundred thirty-one thousand, twenty-nine".