631234 has 4 divisors (see below), whose sum is σ = 946854. Its totient is φ = 315616.

The previous prime is 631229. The next prime is 631247. The reversal of 631234 is 432136.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 378225 + 253009 = 615^2 + 503^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157807 + ... + 157810.

2⁶³¹²³⁴ is an apocalyptic number.

631234 is a deficient number, since it is larger than the sum of its proper divisors (315620).

631234 is a wasteful number, since it uses less digits than its factorization.

631234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315619.

The product of its digits is 432, while the sum is 19.

The square root of 631234 is about 794.5023599713. The cubic root of 631234 is about 85.7821238090.

The spelling of 631234 in words is "six hundred thirty-one thousand, two hundred thirty-four".